forty-five

[ fawr-tee-fahyv ]
/ ˈfɔr tiˈfaɪv /

noun

a cardinal number, 40 plus 5.
a symbol for this number, as 45 or XLV.
a set of this many persons or things.

adjective

amounting to 45 in number.

Definition for forty-five (2 of 3)

.45

noun, plural .45s, .45's.

a pistol, revolver, or cartridge of .45-caliber, or having a diameter of .45 inch.

Definition for forty-five (3 of 3)

45

noun, plural 45s, 45's.

a seven-inch phonograph record played at 45 r.p.m., especially a popular-music single.

Origin of 45

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for forty-five

British Dictionary definitions for forty-five (1 of 2)

forty-five

noun

a gramophone record played at 45 revolutions per minute
US and Canadian a pistol having .45 calibre

British Dictionary definitions for forty-five (2 of 2)

Forty-Five

noun

the Forty-Five British history another name for Jacobite Rebellion (def. 2)
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