( initial capital letter ) an unofficial title of respect, having no precise significance, sometimes placed, esp. in its abbreviated form, after a man's surname in formal written address: in the U.S., usually applied to lawyers, women as well as men; in Britain, applied to a commoner considered to have gained the social position of a gentleman. Abbreviation

Esq.

squire ( def. 2 ) .

a man belonging to the order of English gentry ranking next below a knight.

Archaic . squire ( def. 1 ) .

to raise to the rank of esquire.

to address as Esquire.

to escort or attend in public.