.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

“You come at me with a 9-millimeter, then I’m pulling out my .45,” K.D. said, as Joe weighed the turkey.

From New York Times

According to law enforcement documents, during a rehearsal Halls gave the actor a Colt .45 pistol, pronouncing it “cold,” to indicate there was no ammunition inside.

From Los Angeles Times

The suspect was found to have a fully loaded .45 caliber semi-automatic pistol in his waistband, which the D.C.

From Fox News

The suspect was found with a fully loaded .45 caliber semi-automatic pistol, according to the statement.

From Fox News

King, who started working at Smile Direct Club in June after an earlier stint from late 2019 to early 2020, went to the manufacturing facility around 6:00am and fired more than 20 rounds from a .45 pistol into the building, police say.

From Fox News