fin [ fin ]

• n.
  • the cardinal number that is the sum of four and one

    同义词： five 5 V cinque quint quintet fivesome quintuplet pentad Phoebe Little Phoebe

  • one of a pair of decorations projecting above the rear fenders of an automobile

    同义词： tail fin tailfin

  • one of a set of parallel slats in a door or window to admit air and reject rain

    同义词： louver louvre

  • a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)

    同义词： flipper

  • a stabilizer on a ship that resembles the fin of a fish
  • organ of locomotion and balance in fishes and some other aquatic animals
• v.
  • equip (a car) with fins
  • propel oneself through the water in a finning motion
  • show the fins above the water while swimming

    "The sharks were finning near the surface"

    同义词： break water

以上来源于: WordNet