a square; a measure; a rule.-a shield-bearer or armor-bearer who attended a knight.-a title of dignity next in degree below knight, and above gentleman. see esquire.-a male attendant on a great personage; also (colloq.), a devoted attendant or follower of a lady; a beau.-a title of office and courtesy. see under esquire.-to attend as a squire.-to attend as a beau, or gallant, for aid and protection; as, to squire a lady.