D defs.my
Menu ☰
Entry 8 senses · 3 variants Webster, 1913

Fin

/(fĭn)/ · IPA /fɪn/
01 v. t. To carve or cut up, as a chub.
imp. & p. p. Finned; p. pr. & vb. n. Finning
  1. 1.
    To carve or cut up, as a chub.
02 n. End; conclusion; object.
  1. 1.
    End; conclusion; object.[Obs.]
03 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…
  1. 1.
    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.(Zool.)
  2. 2.
    A membranous, finlike, swimming organ, as in pteropod and heteropod mollusks.(Zool.)
  3. 3.
    A finlike organ or attachment; a part of an object or product which protrudes like a fin(Com.) [Slang]
  4. 4.
    A feather; a spline.(Mech.)
  5. 5.
    A finlike appendage, as to submarine boats.
  6. 6.
    A fixed stabilizing surface, usually vertical, similar in purpose to a bilge keel on a ship.(Aëronautics)
Phrases & compounds
Apidose fin — See under Adipose, a.
Fin ray — one of the hornlike, cartilaginous, or bony, dermal rods which form the skeleton of the fins of fishes.
Fin whale — a finback.
Paired fins — the pectoral and ventral fins, corresponding to the fore and hind legs of the higher animals.
Unpaired fins — the dorsal, caudal, and anal fins.