fin /fɪn/ noun [countable]
[Language: Old English; Origin: finn]

1. one of the thin body parts that a fish uses to swim

2. part of a plane that sticks up at the back and helps it to fly smoothly

3. (also tail fin) a thin piece of metal that sticks out from a car or bomb at the back

4. a flipper

[TahlilGaran] Dictionary of Contemporary English ▲