fin

noun1 of 2

the flat, thin body parts of a fish that sticks out and helps guide it through water

• “The oil drain plug should be pretty easy to find.”Tatoeba
• “One can find grammar and vocabulary in the work book.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

verb2 of 2

To swim in the manner of a fish.