Definition of Fin
1. Noun. The cardinal number that is the sum of four and one.
Generic synonyms: Digit, Figure
2. Verb. Equip (a car) with fins.
3. Noun. One of a pair of decorations projecting above the rear fenders of an automobile.
Group relationships: Auto, Automobile, Car, Machine, Motorcar
Generic synonyms: Decoration, Ornament, Ornamentation
4. Verb. Propel oneself through the water in a finning motion.
5. Noun. One of a set of parallel slats in a door or window to admit air and reject rain.
6. Verb. Show the fins above the water while swimming. "The sharks were finning near the surface"
7. Noun. A shoe for swimming; the paddle-like front is an aid in swimming (especially underwater).
8. Noun. A stabilizer on a ship that resembles the fin of a fish.
9. Noun. Organ of locomotion and balance in fishes and some other aquatic animals.
Specialized synonyms: Dorsal Fin, Pectoral Fin, Pelvic Fin, Ventral Fin, Caudal Fin, Tail Fin
Group relationships: Fish
Generic synonyms: Appendage, Extremity, Member
Definition of Fin
1. v. t. To carve or cut up, as a chub.
2. n. End; conclusion; object.
3. n. An organ of a fish, consisting of a membrane supported by rays, or little bony or cartilaginous ossicles, and serving to balance and propel it in the water.
4. n. A fixed stabilizing surface, usually vertical, similar in purpose to a bilge keel on a ship.
Definition of Fin
1. to equip with fins (external paddle-like structures) [v FINNED, FINNING, FINS]
Medical Definition of Fin
1.
1.
Fin Pictures
Click the following link to bring up a new window with an automated collection of images related to the term: Fin Images


