<p><strong>Noun:</strong></p><ul><li>Plural: yellowtails (especially collectively: yellowtail).</li><li>A game fish, Seriola lalandei, of California.</li><li>Also called yellowtail snapper.</li><li>A small West Indian snapper, Ocyurus chrysurus.</li><li>Yellowtail flounder.</li><li>Any of several other fishes with a yellow caudal fin.</li></ul>