post exchange

American  

noun

U.S. Army.

1. a retail store on an army installation that sells goods and services to military personnel and their dependents and to certain authorized civilian personnel. PX

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post exchange British  

noun

1.  PX.  a government-subsidized shop operated mainly for military personnel

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Etymology

Origin of post exchange

First recorded in 1890–95

Example Sentences

They ate at American fast-food restaurants and bought electronics, T-shirts and groceries at a vast post exchange.

From New York Times • Dec. 21, 2021

“If there’s one small change, even if there’s something new at the PX, people talk about it,” she said, referring to the post exchange.

From Seattle Times • Jan. 4, 2021

The U.S. military operated a PX — or Army post exchange, a retail outlet for soldiers — in the Ginza area of Tokyo.

From Washington Post • Sep. 22, 2016

The post exchange was within clear sight of the sawmill, but Hall never made it.

From Washington Post • Sep. 2, 2016

The barracks were neat and clean, and there was even a post exchange.

From "Fallen Angels" by Walter Dean Myers