land having an indicated shape, quality, or character:[uncountable]sloping ground.
Often, grounds.[plural] an area of land put to a special use:[countable]picnic grounds; hunting grounds.
Often, grounds.[plural] reason or cause; the foundation or basis on which a belief or action rests:[countable]grounds for divorce.
subject for or focus of discussion; topic:[uncountable]We covered that ground in the last meeting.
[uncountable] the main surface or background, as in a painting.
grounds, [plural] leftover material, as from coffee that has been brewed:coffee grounds.
grounds, [plural] the gardens, lawn, etc., surrounding and belonging to a building.
Electricity[uncountable] a conducting connection between an electric circuit or equipment and the earth or some other conducting body.
adj.[before a noun]
operating on land:ground forces; a ground attack.
v.
to place (an idea, belief, or argument) on a firm or logical foundation:[~ + object]an argument firmly grounded in logic.
to instruct (someone) in basic principles:[~ + object]to ground students in science.
Electricity to establish a ground (def. 10) for (an electric circuit, device, etc.):[~ + object]This appliance isn't grounded.
Naval Termsto (cause a vessel to) run aground: [no object]The ship grounded on the sand bar.[~ + object]They accidentally grounded the boat on a sand bar.
Aeronautics to restrict (an aircraft or pilot) to the ground; prevent from flying:[~ + object]If the pilot used drugs, he was grounded.
Informal Terms to restrict the activities, esp. the social activities, of usually as a punishment:[~ + object]His parents grounded him for hitting another student.
Idioms
Idiomsbreak ground:
to plow.
to begin excavation for a construction project.
Also, break new ground.to do something original or innovative.
Idiomscover (new) ground:
to travel over a certain area:We covered a lot of ground in the car.
to deal with new material:didn't cover any new ground in yesterday's class.
Idiomscut the ground (out) from under, [~ + object] to make (someone or something) less effective or useful by some action taken ahead of time.
Idiomsfrom the ground up:
gradually from the most elementary level to the highest level.
extensively; thoroughly; completely:knew his subject from the ground up.
Idiomsgain ground, to make progress; advance.
Idiomsgive ground, to retreat before a stronger force:The weaker army began to give ground.
Idiomshold or stand one's ground, to maintain one's position.
Idiomsinto the ground, beyond a reasonable or necessary point:to run an argument into the ground.
Idiomslose ground, to lose one's advantage; fail to advance.
off the ground, into action or well under way:The plan never got off the ground.
Idiomson one's own ground, in an area or situation that one knows well.
Idiomsshift ground, to change position in an argument or situation.
grind/graɪnd/USA pronunciationv.,ground/graʊnd/USA pronunciation grind•ing,n. v.
to wear down, make smooth, or sharpen (something) by rubbing or friction:[~ + object]to grind a lens; to grind knives.
to crush (something) into small particles, as by pounding; pulverize: [~ + object]She accidentally ground the dirt into the rug.[~ + up + object]The glass bottles were ground up for recycling.
to oppress, torment, or crush:[~ + down + object]They were ground down by poverty.
to grate together; grit:[~ + object]She used to grind her teeth.
to operate by turning a crank:[~ + object]to grind a hand organ.
to produce by crushing or hard rubbing:[~ + object]The mill grinds flour.
to (cause to) rub harshly; grate: [no object]The gears ground whenever I shifted.[~ + object]I kept grinding the gears.
Informal Terms[~ + away] to work or study hard or for long hours.
Slang Terms[no object] (in a dance) to rotate the hips in a suggestive manner. Compare bump (def. 9).
grind out:
to produce in a routine or mechanical way: [~ + out + object]ground out another issue of the newspaper.[~ + object + out]Would they grind another issue out in time?
to extinguish (a cigarette or cigar) against a surface: [~ + out + object]He ground out his cigarette.[~ + object + out]He ground his cigarette out.
the solid surface of the earth; firm or dry land:to fall to the ground.
earth or soil:stony ground.
land having an indicated character:rising ground.
Often, grounds. a tract of land appropriated to a special use:picnic grounds; a hunting ground.
Often, grounds. the foundation or basis on which a belief or action rests; reason or cause:grounds for dismissal.
subject for discussion; topic:Sex education is forbidden ground in some school curricula.
rational or factual support for one's position or attitude, as in a debate or argument:on firm ground; on shaky ground.
the main surface or background in painting, decorative work, lace, etc.
Fine Art
a coating of some substance serving as a surface for paint, ink, or other media in art:Lead white is a traditional ground for oil paintings.
See ground color (def. 2).
Psychiatry(in perception) the background in a visual field, contrasted with the figure.
Also called etching ground.an acid-resistant substance, composed of wax, gum, and resin in varying proportions, applied to the entire surface of an etching plate and through which the design is drawn with an etching needle.
grounds, dregs or sediment:coffee grounds.
grounds, the gardens, lawn, etc., surrounding and belonging to a building.
[Elect.]a conducting connection between an electric circuit or equipment and the earth or some other conducting body.
Music and DanceSee ground bass.
Naval Terms[Naut.]the bottom of a body of water.
the earth's solid or liquid surface; land or water.
[Carpentry.]
a strip of wood to which woodwork can be attached, set flush with the plaster finish of a room.
a strip of wood or length of corner bead used at an opening as a stop for plasterwork.
Idiomsbreak ground:
to plow.
to begin excavation for a construction project.
to begin upon or take preparatory measures for any undertaking.
Idiomscover ground:
to pass or travel over a certain area.
to make a certain amount of progress in dealing with a piece of work, subject, treatise, or the like:He talked for two hours without covering much ground.
Idiomscut the ground from under, to render (an argument, position, person, etc.) ineffective or invalid; refute:It didn't require much effort to cut the ground from under that case.
Idiomsfrom the ground up:
gradually from the most elementary level to the highest level:She learned the business from the ground up.
extensively; thoroughly:The professor knew his subject from the ground up.
Idiomsgain ground:
to make progress; advance.
Idiomsto gain approval or acceptance:The case for air-pollution control is gaining ground throughout the country.
Idiomsgive ground, to yield to force or forceful argument; retreat:The disarmament talks reached an impasse when neither side would give ground on inspection proposals.
Idiomshold or stand one's ground, to maintain one's position; be steadfast:The referee stood his ground, though his decision was hotly contested by the crowd.
Idiomsinto the ground, beyond a reasonable or necessary point:You've stated your case, and you needn't run it into the ground.
Idiomslose ground:
to retreat or be forced back.
to lose one's advantage; suffer a reverse.
to wane in popularity or acceptance; begin to fail:Our candidate is losing ground in industrial areas.
off the ground, [Informal.]into action or well under way:The play never got off the ground.
Idiomson one's own ground, in an area or situation that one knows well.
Idiomson the ground, at the place of interest or importance; actively engaged:Minutes after the bank robbery reporters were on the ground to get the story.
Idiomsshift ground, to change position in an argument or situation.
Idiomssuit down to the ground, to be perfectly satisfactory; please greatly:This climate suits me down to the ground.
take the ground, [Naut.]to become grounded at low water.
Idiomsto ground:
into a den, burrow, shelter, or the like:a fox gone to ground.
into concealment or hiding:Rather than take the witness stand, she went to ground in another country.
adj.
situated on or at, or adjacent to, the surface of the earth:a ground attack.
pertaining to the ground.
Militaryoperating on land:ground forces.
v.t.
to lay or set on the ground.
to place on a foundation; fix firmly; settle or establish; found.
to instruct in elements or first principles:to ground students in science.
to furnish with a ground or background, as on decorative work.
to cover (wallpaper) with colors or other materials before printing.
[Elect.]to establish a ground for (a circuit, device, etc.).
Naval Terms[Naut.]to cause (a vessel) to run aground.
[Aeron.]to restrict (an aircraft or the like) to the ground because of bad weather, the unsatisfactory condition of the aircraft, etc.
to forbid (a pilot) to fly because of bad health, failure to comply with safety regulations, or the like.
Informal Termsto put out of action or make unable to participate:The quarterback was grounded by a knee injury.
Informal Termsto restrict the activities, esp. the social activities, of:I can't go to the party—my parents have grounded me until my grades improve.
v.i.
to come to or strike the ground.
Sport[Baseball.]
to hit a ground ball.
to ground out.
ground out, [Baseball.]to be put out at first base after hitting a ground ball to the infield.
bef. 900; (noun, nominal) Middle English grownd, grund, Old English grund; cognate with Dutch grond, German Grund; (verb, verbal) Middle English grundien, grownden to set on a foundation, establish, derivative of the noun, nominal