(v. t.) To gain sight of; to discover at a distance, or in a state
of concealment; to espy; to see.
(v. t.) To discover by close search or examination.
(v. t.) To explore; to view; inspect; and examine secretly, as a
country; -- usually with out.
(v. i.) To search narrowly; to scrutinize.
(n.) One who keeps a constant watch of the conduct of others.
(n.) A person sent secretly into an enemy's camp, territory, or
fortifications, to inspect his works, ascertain his strength,
movements, or designs, and to communicate such intelligence to the
proper officer.
