Definition of knight

• n. - A young servant or follower; a military attendant.
• n. - 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.
• n. - 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.
• n. - A champion; a partisan; a lover.
• n. - A piece used in the game of chess, usually bearing a horse's head.
• n. - A playing card bearing the figure of a knight; the knave or jack.
• v. t. - 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 ---.