/ Dictionary / Index P promontory: Meaning and Definition of Find definitions for: prom•on•to•ry Pronunciation: (prom'un-tôr"ē, -tōr"ē), [key] — pl. -ries. a high point of land or rock projecting into the sea or other water beyond the line of coast; a headland. a bluff, or part of a plateau, overlooking a lowland. a prominent or protuberant part. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: promontory (Thesaurus) promo promote Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language