Dictionary.com

fin

1
[ fin ]
/ fɪn /
Save This Word!

noun

verb (used with object), finned, fin·ning.

to cut off the fins from (a fish); carve or cut up, as a chub.
to provide or equip with a fin or fins.

verb (used without object), finned, fin·ning.

to move the fins; lash the water with the fins, as a whale when dying.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of fin

1
before 1000; Middle English, Old English finn; cognate with Dutch vin,Low German finne; akin to Swedish fena

OTHER WORDS FROM fin

finless, adjectivefinlike, adjective

Definition for fin (2 of 4)

fin2
[ fin ]
/ fɪn /

noun

Slang. a five-dollar bill.

Origin of fin

2
1865–70; earlier finnip, finnup, fin(n)if(f) a five-pound note <Yiddish fin(e)f five <Middle High German vumf, vimf;see five

Definition for fin (3 of 4)

fin.

abbreviation

finance.
financial.
finish.

Definition for fin (4 of 4)

Fin.

abbreviation

Finland.
Finnish.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for fin

British Dictionary definitions for fin (1 of 5)

fin1
/ (fɪn) /

noun

verb fins, finning or finned

Derived forms of fin

finless, adjective

Word Origin for fin

Old English finn; related to Middle Dutch vinne, Old Swedish fina, Latin pinna wing

British Dictionary definitions for fin (2 of 5)

fin2
/ (fɪn) /

noun

US slang a five-dollar bill

Word Origin for fin

from Yiddish finf five, ultimately from Old High German funf, finf

British Dictionary definitions for fin (3 of 5)

Fin

abbreviation for

Finland
Finnish

British Dictionary definitions for fin (4 of 5)

FIN

abbreviation for

Finland (international car registration)

British Dictionary definitions for fin (5 of 5)

fin.

abbreviation for

finance
financial
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for fin

fin
[ fĭn ]

One of the winglike or paddlelike parts of a fish, dolphin, or whale that are used for propelling, steering, and balancing in water.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Book Your Online Tutor Now