'Fin' definitions:

Definition of 'fin'

From: WordNet
noun
The cardinal number that is the sum of four and one [syn: five, 5, V, cinque, quint, quintet, fivesome, quintuplet, pentad, fin, Phoebe, Little Phoebe]
noun
One of a pair of decorations projecting above the rear fenders of an automobile [syn: tail fin, tailfin, fin]
noun
One of a set of parallel slats in a door or window to admit air and reject rain [syn: louver, louvre, fin]
noun
A shoe for swimming; the paddle-like front is an aid in swimming (especially underwater) [syn: flipper, fin]
noun
A stabilizer on a ship that resembles the fin of a fish
noun
Organ of locomotion and balance in fishes and some other aquatic animals
verb
Equip (a car) with fins
verb
Propel oneself through the water in a finning motion
verb
Show the fins above the water while swimming; "The sharks were finning near the surface" [syn: fin, break water]

Definition of 'Fin'

From: GCIDE
  • Fin \Fin\ (f[i^]n), v. t. [imp. & p. p. Finned; p. pr. & vb. n. Finning.] [Cf. Fin of a fish.] To carve or cut up, as a chub. [1913 Webster]

Definition of 'Fin'

From: GCIDE
  • Fin \Fin\, n. [See Fine, n.] End; conclusion; object. [Obs.] "She knew eke the fin of his intent." --Chaucer. [1913 Webster]

Definition of 'Fin'

From: GCIDE
  • Fin \Fin\, n.[OE. finne, fin, AS. finn; akin to D. vin, G. & Dan. finne, Sw. fena, L. pinna, penna, a wing, feather. Cf. pen a feather.]
  • 1. (Zool.) 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. [1913 Webster]
  • Note: Fishes move through the water chiefly by means of the caudal fin or tail, the principal office of the other fins being to balance or direct the body, though they are also, to a certain extent, employed in producing motion. [1913 Webster]
  • 2. (Zool.) A membranous, finlike, swimming organ, as in pteropod and heteropod mollusks. [1913 Webster]
  • 3. A finlike organ or attachment; a part of an object or product which protrudes like a fin, as: (a) The hand. [Slang] (b) (Com.) A blade of whalebone. [Eng.] --McElrath. (c) (Mech.) A mark or ridge left on a casting at the junction of the parts of a mold. (d) (Mech.) The thin sheet of metal squeezed out between the collars of the rolls in the process of rolling. --Raymond. (e) (Mech.) A feather; a spline. [1913 Webster]
  • 4. A finlike appendage, as to submarine boats. [1913 Webster]
  • 5. (A["e]ronautics) A fixed stabilizing surface, usually vertical, similar in purpose to a bilge keel on a ship. [Webster 1913 Suppl.]
  • Apidose fin. (Zool.) See under Adipose, a.
  • Fin ray (Anat.), one of the hornlike, cartilaginous, or bony, dermal rods which form the skeleton of the fins of fishes.
  • Fin whale (Zool.), a finback.
  • Paired fins (Zool.), the pectoral and ventral fins, corresponding to the fore and hind legs of the higher animals.
  • Unpaired fins, or Median fins (Zool.), the dorsal, caudal, and anal fins. [1913 Webster]

Synonyms of 'fin'

From: Moby Thesaurus