bottle cap

American  

noun

• bottle caps
  plural

1. a device for closing or sealing a bottle, especially a metal cover with a cork gasket fitting tightly over the mouth of a glass or plastic bottle, held in place by crimping the edge of the cap over the lip or flange of the bottle.

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Other Word Forms

Noun Inflected Forms

• bottle caps
  plural

Etymology

Origin of bottle cap

An Americanism dating back to 1925–30

Example Sentences

See Examples For:

bottle cap

There’s a predictable resistance of In my day we fished with a wooden stick and a bottle cap and caught fish the size of Buicks, etc.

From The Wall Street Journal ● Aug. 12, 2026

A bottle cap or crease in a potato chip bag is fair game.

From Los Angeles Times ● Mar. 22, 2026

“Welcome Queen!” read Heineken ads plastered around the city, the lettering above an image of a upturned bottle cap resembling a crown.

From Seattle Times ● May 4, 2024

“During our experiments with tactile sensors,” he says, “we found that tasks like unstacking cups and opening a bottle cap were significantly harder—and perhaps more useful—than rotating objects.”

From Scientific American ● Jul. 31, 2023

Jessie carefully positioned the water bottle in the wire cage, aimed the spout into the base of the funnel, then unscrewed the bottle cap.

From "The Vanderbeekers of 141st Street" by Karina Yan Glaser