(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 ---.