Laxi Dictionary

American Dictionary

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Definition fin in American English

fin noun

[countable] noun
/fɪn/
1

a thin flat part on the body of a fish that sticks out

Synonyms and related words
fin gill mandible
2

a part on the back of an aircraft that sticks out and helps it to move smoothly

Synonyms and related words
aerofoil aft aileron
3

a thin flat part on the back of a vehicle that is used for decoration

Synonyms and related words
armor armour axle
4

a five-dollar bill

Synonyms and related words
buck C-note fin
Definition fin in American English