/ Dictionary / Index T thread escutcheon: Meaning and Definition of Find definitions for: thread' escutch"eon Pronunciation: [key] a raised metal rim around a keyhole. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. threaded glass threadfin Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language