Meaning

noun primitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth

noun elongate European surface-dwelling predacious fishes with long toothed jaws; abundant in coastal waters

originFrench, of Celtic origin, from Proto-Celtic *kar, *gar (“big rock”), referring to the geography, probably from the same ultimate origin as Welsh craig (“cliff, rock”).

Etymology from Wiktionary, CC BY-SA 3.0