/ Dictionary / Index S screw-top: Meaning and Definition of Find definitions for: screw-top Pronunciation: (skr'top"), [key] — adj. (of a container) having a top that screws on. —n. a top that can be screwed onto a container. a container having such a top. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: screw-top (Thesaurus) screw thread screwup Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language