Standing out beyond the line or surface of something; jutting; protuberant; in high relief: as, a prominent figure on a vase.In entomology: Raised above the general surface: as, prominent eyes.Projecting horizontally: as, prominent angles of the prothorax.Standing out so as to be easily seen; most visible or striking to the eye; conspicuous: as, the figure of a man is prominent in the picture.Standing out from among the multitude; distinguished above others: as, a prominent citizen.Eminent, leading.n. A promontory.n. One of certain bombycid moths; a tooth-back or pebble.