.45

¹ American  

noun

plural

.45s, .45's

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

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45 ² American  

[fawr-tee fahyv] / ˈfɔr ti ˈfaɪv /

noun

plural

45s, 45's

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

   She’s in the market for a phonograph so she can play her grandfather’s mint collection of 45s from the 1960s.

2. an identifier of or nickname for Donald Trump, the 45th U.S. president, alternately used with disparaging intent by opponents and with affection by supporters.

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Etymology

Origin of 45

First recorded in 1945–50

Example Sentences

Spivey's .45 caliber, like most firearms, ejects casingsbehind and to the right.

From The Wall Street Journal

Shares last closed at THB9.45.

From The Wall Street Journal

Hours later he would come ashore with a .45 pistol, pencils, and a sketchbook.

From Slate

In an effort to show that she never meant to fire the .45, the defense established that she had taken shooting lessons at a firing range and knew her way around firearms.

From Los Angeles Times

Baldwin has said Hutchins told him to slowly pull his Colt .45 revolver from his holster and point it at the camera.

From Los Angeles Times