/ Dictionary / Index A angle bracket: Meaning and Definition of Find definitions for: an'gle brack"et Pronunciation: [key] one of two marks &desc; or &whence; used in printing to enclose parenthetical matter, interpolations, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. angle board angle cleat Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language