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1. A .45-caliber pistol.
2. A phonograph record designed to be played at 45 revolutions per minute.

for′ty-five′ adj. & pron.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Music, other) a gramophone record played at 45 revolutions per minute
2. (Firearms, Gunnery, Ordnance & Artillery) US and Canadian a pistol having .45 calibre


(Historical Terms) the Forty-Five history Brit another name for Jacobite Rebellion2
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


1. a cardinal number, 40 plus 5.
2. a symbol for this number, as 45 or XLV.
3. a set of this many persons or things.
4. a.45-caliber handgun or its cartridge (often written as.45).
5. a 7-inch phonograph record played at 45 r.p.m. (often written as 45).
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.forty-five - a .45-caliber pistol
handgun, pistol, shooting iron, side arm - a firearm that is held and fired with one hand
Adj.1.forty-five - being five more than fortyforty-five - being five more than forty    
cardinal - being or denoting a numerical quantity but not order; "cardinal numbers"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
Ten for the handkerchief, twenty for the lace, and fifteen for the work, make forty-five francs--parole d'honneur, it does come to a pretty price for a handkerchief.
Hoover, who was forty-five, fat, flush and foolish.
"I think it's forty-two," said a small voice over-side, and there was a roar of laughter as another voice answered, "Then my luck's turned fer onct, 'caze I'm forty-five, though I be stung outer all shape."
"Four thousand horse-power and forty-five miles an hour, though you wouldn't think it," he concluded proudly.
Once more the master is heard: "Give her forty-five fathom to the water's edge," and then he, too, is done for a time.
His external balloon, which had the dimensions given above, contained a less one of the same shape, which was only forty-five feet in horizontal, and sixty-eight feet in vertical diameter.
That forty-five dollars will pay about all my debts."
About forty-five minutes past five in the evening, Nicholl, armed with his glass, sighted toward the southern border of the moon, and in the direction followed by the projectile, some bright points cut upon the dark shield of the sky.
There is poetry here and fantasy and humor, a little pathos but, above all, a number of creations in whose existence everybody must believe whether they be children of four or old men of ninety or prosperous bankers of forty-five. I don't know how Mr.
And in consequence of this, Vronsky, who had been in the habit of living on the scale of forty-five thousand a year, having only received twenty thousand that year, found himself now in difficulties.
"Accurately--even in stating his age to be forty-five "
It was at eleven forty-five that the first alarm reached the small local police station, in charge of Sergeant Wilson of the Sussex Constabulary.