noun, plural (especially collectively) bo·ni·to, (especially referring to two or more kinds or species) bo·ni·tos.
- any mackerellike fish of the genus Sarda, as S. sarda, of the Atlantic Ocean.
- any of several related species, as the skipjack, Euthynnus pelamis.
noun plural -tos
- any of various small tunny-like marine food fishes of the genus Sarda, of warm Atlantic and Pacific waters: family Scombridae (tunnies and mackerels)
- any of various similar or related fishes, such as Katsuwonus pelamis (oceanic bonito), the flesh of which is dried and flaked and used in Japanese cookery
type of sea fish, 1590s, from Spanish bonito, probably literally “the good one,” diminutive of bueno “good,” from Latin bonus (see bene-).