swim fin
noun
one of a pair of flippers.
Origin of swim fin
1First recorded in 1945–50
Words Nearby swim fin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use swim fin in a sentence
Sailors had to swim hundreds of yards to shore, often under fire, using only primitive swim fins and masks.
How unruly, knife-wielding swimmers became the first Navy SEALs | David Philipps | December 5, 2021 | Popular-Science
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