Definition of esquiring:
(n) :
(usually US, law) A lawyer.
(n) :
A male member of the gentry ranking below a knight.
(n) :
An honorific sometimes placed after a man's name.
(n) :
A gentleman who attends or escorts a lady in public.
(n) :
(archaic) A squire; a youth who in the hopes of becoming a knight attended upon a knight
(n) :
(obsolete) A shield-bearer, but also applied to other attendants.