a young servant or follower; a military attendant.-in feudal times, a man-at-arms serving on horseback and admitted to a certain military rank with special ceremonies, including an oath to protect the distressed, maintain the right, and live a stainless life.-one on whom knighthood, a dignity next below that of baronet, is conferred by the sovereign, entitling him to be addressed as sir; as, sir john.-a champion; a partisan; a lover.-a piece used in the game of chess, usually bearing a horse's head.-a playing card bearing the figure of a knight; the knave or jack.-to dub or create (one) a knight; -- done in england by the sovereign only, who taps the kneeling candidate with a sword, saying: rise, sir ---.