What does "screw cap" mean?

The cap of a container, especially a bottle or jar, which screws onto the threaded lip of the container.

Screw cap

Common synonyms include: child resistant cap, closure, safety cap, screw lid, screw-on cap, tamper evident cap.

noun

noun ·Rare ·Advanced level

Noun

1
The cap of a container, especially a bottle or jar, which screws onto the threaded lip of the container.
"Four-year-old Anna surprised her parents when she unscrewed the screw cap and poured herself a glass of milk, like an old pro."
2
The style of closure that has such a cap; a container that has such a cap. metonymically
"Corks remain prevalent, but nowadays the wine industry also offers plenty of screw caps, too, for occasions that warrant them or customers who prefer them."

"Four-year-old Anna surprised her parents when she unscrewed the screw cap and poured herself a glass of milk, like an old pro."