flippers

CIDE DICTIONARY

flippers, n. [By analogy with flipper[W13(1)], the limb of an aquatic animal used for locomotion].

A type of shoe with a paddle-like front extending well beyond the end of the toe, used an aid in swimming (especially underwater).

"They are typically of rubber-like material, and are not worn when walking on land." [WordNet 1.5]

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