📖 WordNook

fin

noun
  1. organ of locomotion and balance in fishes and some other aquatic animals
    “Some fish have pectoral and dorsal fins.”
  2. a stabilizer on a ship that resembles the fin of a fish
    “I scraped barnacles off the fins of my new boat.”
  3. a shoe for swimming
    “I put on a pair of fins before I went snorkelling.”
    flipper
  4. one of a set of parallel slats in a door or window to admit air and reject rain
    “My new door had fins made out of mahogany.”
    louverlouvre
  5. one of a pair of decorations projecting above the rear fenders of an automobile
    “Fins on the back of your car were very popular in the 1950s.”
    tail fintailfin
verb
  1. to show the fins above the water while swimming
    “The sharks were finning near the surface.”
    break water
  2. to propel oneself through the water in a finning motion
    “I finned quickly in the pool.”
  3. to equip a car with fins
    “I finned my new racer.”