bottle cap

noun

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.

Word History and Origins

Origin of bottle cap¹

An Americanism dating back to 1925–30

Example Sentences

A week later, police wrote another report on a boy who was hospitalized after cutting his forearm with a bottle cap and throwing items.

From ProPublica

Hook the bottle cap in as if it were your riding shoe’s cleat, rotate the pedal, and, voilà, your beer is open.

From Outside Online

While Copeland has to attach cables to two ports on his skull, Neuralink’s implant is about the size of a soda bottle cap and is embedded entirely in the skull.

From MIT Technology Review

Scott and her colleagues tested this technique on a plastic bag and a bottle cap.

From Science News For Students

About 55 percent of a high-density polyethylene bottle cap was transformed.

From Science News

And most recently, Maddie Bradshaw created the Snap Caps bottle cap necklace when she was 10.

From The Daily Beast