Definition of squire

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