(1):
(v. t.) To breathe out; to exhale.
(2):
(v. t.) To breathe in and out; to inspire and expire,, as air; to breathe.
(3):
(v. i.) To breathe; to inhale air into the lungs, and exhale it from them, successively, for the purpose of maintaining the vitality of the blood.
(4):
(v. i.) To take breath again; hence, to take rest or refreshment.