Webster's Revised Unabridged Dictionary · 1913

Squire

Squire (skwīr) , noun

[Old French esquierre, French équerre. See Square, n.]

A square; a measure; a rule. [Obsolete]
With golden squire. — Spenser

Squire , noun

[Aphetic form of esquire.]

1.
A shield-bearer or armor-bearer who attended a knight.
2.
A title of dignity next in degree below knight, and above gentleman. See Esquire. [English]
His privy knights and squires. — Chaucer
3.
A male attendant on a great personage; also (Colloq.), a devoted attendant or follower of a lady; a beau.
4.
A title of office and courtesy. See under Esquire.

Squire (skwīrd) , transitive verb

1.
To attend as a squire. — Chaucer
2.
To attend as a beau, or gallant, for aid and protection; as, to squire a lady. [Colloquial] — Goldsmith