n. The act or ceremony of investing with a crown or regal authority and dignity; coronation.n. The tonsure of the clergy.n. Something that crowns, terminates, or finishes.n. Something convex at the top: as, the crowning or crown of a causeway; specifically, the bulge or swell in the center of a band-pulley.n. In fortification, a position on the crest of the glacis secured by the besiegers by means of the sap or otherwise. It is protected by a parapet, and places the besiegers in a situation to become masters of the covered way.Completing; perfecting; finishing.n. In agriculture, the cutting off of the crown, as of sugar-beets. See crown, 12 .