fin
fin
- n the cardinal number that is the sum of four and one
- n one of a pair of decorations projecting above the rear fenders of an automobile
- n one of a set of parallel slats in a door or window to admit air and reject rain
- n a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)
- n a stabilizer on a ship that resembles the fin of a fish
- n organ of locomotion and balance in fishes and some other aquatic animals
- v equip (a car) with fins
- v propel oneself through the water in a finning motion
- v show the fins above the water while swimming
The sharks were finning near the surface
- A 747 cannot be flown without its entire tail fin, which helps stabilize the big craft, and can be flown only with great difficulty without the attached rudder, which is moved to .
- The third car had a stabilizer fin on top, which did nothing to cure the Dymaxion's acute instability in crosswinds.
- He was a fin man.