jetty

UK: /ˈdʒɛti/ US: /ˈdʒɛti/ ,( jet′ē)

Inflections of 'jetty' (n): npl: jetties

Inflections of 'jetty' (v): (⇒ conjugate)

jetties

v 3rd person singular

jettying

v pres p

jettied

v past

jettied

v past p

WordReference Random House Learner's Dictionary of American English © 2026

jet•ty¹ /ˈdʒɛti/   n. [countable] , pl. -ties. 

1. Civil Engineering, Nautical, Naval Terms a structure or the like, sticking out into a body of water, as to protect a harbor.
2. Civil Engineering, Nautical, Naval Terms a landing pier.

WordReference Random House Unabridged Dictionary of American English © 2026

jet•ty¹  ( jet′ē), n., pl. -ties, v., -tied, -ty•ing. 
n. 

1. Civil Engineering, Nautical, Naval Terms a pier or structure of stones, piles, or the like, projecting into the sea or other body of water to protect a harbor, deflect the current, etc.
2. Civil Engineering, Nautical, Naval Terms a wharf or landing pier.
3. Civil Engineering, Nautical, Naval Terms the piles or wooden structure protecting a pier.
4. Architecture Also, jutty. an overhang, as of an upper story beyond a lower.

v.t. 

5. Architecture, Building to construct (part of a building) so that it projects beyond lower construction;
   jutty.

• Old French jetee, literally, something thrown out, a projection, noun, nominal use of jetee, feminine past participle of jeter to throw; see jet¹
• late Middle English get(t)ey 1375–1425

jet•ty²  ( jet′ē), adj. 

1. made of jet.
2. resembling jet, esp. in color;
   of a deep black.

• jet² + -y¹ 1475–85

jet′ti•ness, n. 

Collins Concise English Dictionary © HarperCollins Publishers::

jetty / ˈdʒɛtɪ/ noun ( -ties)

1. a structure built from a shore out into the water to direct currents or protect a harbour
2. a landing pier; dock

Etymology: 15th Century: from Old French jetee projecting part, literally: something thrown out, from jeter to throw; see jet¹