fin
noun/fɪn/
/fɪn/
- a thin flat part that sticks out from the body of a fish, used for swimming and keeping balanceTopics Fish and shellfishc1
- a thin flat part that sticks out from the body of a vehicle, an aircraft, etc., used for improving its balance and movement
- tail fins
Word OriginOld English finn, fin, of Germanic origin; related to Dutch vin and probably ultimately to Latin pinna ‘feather, wing’.
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fin