yellowtail

noun, plural yel·low·tails, (especially collectively) yel·low·tail.

1. a game fish, Seriola lalandei, of California.
2. Also called yellowtail snapper. a small West Indian snapper, Ocyurus chrysurus.
3. yellowtail flounder.
4. any of several other fishes with a yellow caudal fin.

noun plural -tails or -tail

1. a carangid game fish, Seriola dorsalis, of coastal waters of S California and Mexico, having a yellow tail fin
2. any of various similar fishes
3. Also called: yellowtail moth any of various similar fishesAnother name for goldtail moth
4. Australian another word for yellowtail kingfish