.45

¹

noun

plural

.45s, .45's 

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

45

²

[fawr-tee fahyv]

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.

Word History and Origins

Origin of .45¹

First recorded in 1945–50

Example Sentences

Shares last closed at THB9.45.

Read more on The Wall Street Journal

The ex-cop said he “reactively pulled out” his holstered .45 caliber handgun and fired several shots.

Read more on The Wall Street Journal

On Nov. 3, 2010, Franco pulled a chrome-plated .45 from under his pillow and opened fire on two armed intruders.

Read more on Los Angeles Times

Franco pulled his .45 and opened fire.

Read more on Los Angeles Times

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

Read more on Slate