- fin
- finfin1 [fin]n.[ME < OE finn, akin to Du vin, Ger finne < IE *( s)pina-, point < base * (s)p(h)ei-, pointed stick > SPIT1, SPIKE1]1. any of several winglike, membranous organs on the body of a fish, dolphin, etc., used in swimming, turning, and balancing2. anything like a fin in shape or use; specif.,a) any narrow edge or ridge formed in manufacturing, as on a casting by metal forced through the halves of the moldb) any vertical airfoil, fixed or movable, whose chief function is to give stability in flightc) a stabilizing or steering projection on boats or submarinesd) Slang a hand or armvt.finned, finningto cut the fins from (a fish)vi.to move the fins, esp. in a violent way☆ fin2 [fin ]n.[shortened < W Yiddish finef, five (cf. E Yiddish finf) < MHG vinf < OHG fimf, FIVE]Slang a five-dollar billfin3 [fan]n.[Fr]the end; finish; conclusionfin4abbrev.1. finance2. financial3. finished
English World dictionary. V. Neufeldt. 2014.