Definition of "yellowtail"

(in the names of certain organisms) Having a yellow tail.  examples

Any of various fish with yellow tails, including:

1. yellowtail amberjack (Seriola lalandi).  examples

2. Japanese amberjack (Seriola quinqueradiata), native to the northwest Pacific, often used in sushi, .  examples

3. Atlantic bumper (Chloroscombrus chrysurus).  examples

4. yellowtail flounder (Limanda ferruginea).  examples

5. yellowtail snapper (Ocyurus chrysurus).  examples

6. whitespotted devil (Plectroglyphidodon lacrymatus).  examples

7. yellowtail horse mackerel (Trachurus novaezelandiae).  examples

A European moth (Euproctis similis)  examples

A yellow-tailed black cockatoo (Calyptorhynchus funereus), a large cockatoo native to the south-east of Australia.  examples

A yellow-tailed oriole (Icterus mesomelas), a passerine bird in the New World family Icteridae.  examples

A yellow-tailed woolly monkey (Oreonax flavicauda), a New World primate endemic to Peru.  examples