- a cap designed to screw onto the threaded mouth of a bottle, jar, or the like.
Origin of screw cap
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for screw cap
Another small copper or brass tube should also be inserted in the screw-cap close to the first one.Growing Nuts in the North
- a cap that screws on to a thread around the opening of a jar, bottle, etc to form a seal
- (as modifier)screw-cap wines