- Also called: tunny
any of various large marine spiny-finned fishes of the genus Thunnus, esp T. thynnus, chiefly of warm waters: family Scombridae. They have a spindle-shaped body and widely forked tail, and are important food fishes any of various similar and related fishes
WordReference Random House Learner's Dictionary of American English © 2025
tu•na1 /ˈtunə, ˈtyu-/USA pronunciation
n., pl. (esp. when thought of as a group) -na, (esp. for kinds or species) -nas.
WordReference Random House Unabridged Dictionary of American English © 2025- Fish[countable] a large sea-dwelling food fish, including the albacore and yellowfin tuna.
- Fish[uncountable] Also called ˈtu•na ˌfish. the flesh of the tuna, used as food.
tu•na1
(to̅o̅′nə, tyo̅o̅′-),USA pronunciation n., pl. (esp. collectively) -na, (esp. referring to two or more kinds or species) -nas.
tu•na2 (to̅o̅′nə, tyo̅o̅′-),USA pronunciation n.
- Fishany of several large food and game fishes of the family Scombridae, inhabiting temperate and tropical seas. Cf. albacore, bluefin tuna, yellowfin tuna.
- Fishany of various related fishes.
- FishAlso called tu′na fish′. the flesh of the tuna, used as food.
- Greek thýnnos tunny
- Arabic al the + tūn
- American Spanish, variant of Spanish atún
- 1880–85, American.
tu•na2 (to̅o̅′nə, tyo̅o̅′-),USA pronunciation n.
- Plant Biologyany of various prickly pears, esp. either of two erect, treelike species, Opuntia tuna or O. ficus-indica, of Mexico, bearing a sweet, edible fruit.
- Plant Biologythe fruit of these plants.
- Taino
- Spanish
- 1545–55
Collins Concise English Dictionary © HarperCollins Publishers::
any of various tropical American prickly pear cacti, esp Opuntia tuna, that are cultivated for their sweet edible fruits
'tuna' also found in these entries (note: many are not synonyms or translations):
ahi
- albacore
- big game
- bluefin tuna
- down
- horse mackerel
- melt
- purse seine
- salade niçoise
- say
- skipjack
- tunny
- yellowfin tuna