FIN

Definition:

1. [noun] the cardinal number that is the sum of four and one
   Synonyms: five, cinque, quint, quintet, fivesome, quintuplet, pentad, Phoebe, Little Phoebe
   
   
2. [noun] one of a pair of decorations projecting above the rear fenders of an automobile
   Synonyms: tail tail
   
   
3. [noun] one of a set of parallel slats in a door or window to admit air and reject rain
   Synonyms: louver, louvre
   
   
4. [noun] a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)
   Synonyms: flipper, flippers
   
   
5. [noun] a stabilizer that resembles the fins of a fish
   
   
6. [noun] organ of locomotion and balance in fishes and some other aquatic animals
   
   
7. [verb] equip (a car) with fins
   
   
8. [verb] propel oneself through the water in a finning motion
   
   
9. [verb] show the fins above the water while swimming; "The sharks were finning near the surface"
   Synonyms: break water
   
   

Synonyms:

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Related Words:

• vane
• dorsal fin
• pectoral fin
• pelvic fin, ventral fin
• tail fin, caudal fin