flipper
1. [ noun ] (clothing) a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)
Synonyms: fin fins flippers
Related terms: shoe fin
2. [ noun ] (zoology) the flat broad limb of aquatic animals specialized for swimming
Related terms: limb aquatic_mammal aquatic_vertebrate
Similar spelling:   flippers
  flapper
  flyover
  flaubert