expirev. t.[L. expirare, exspirare, expiratum, exspiratum; ex out + spirare to breathe: cf. F. expirer. See Spirit.]1. To breathe out; to emit from the lungs; to throw out from the mouth or nostrils in the process of respiration; -- opposed to inspire.()Anatomy exhibits the lungs in a continual motion of inspiring and expiring air. (Harvey.)This chafed the boar; his nostrils flames expire. (Dryden.)2. To give forth insensibly or gently, as a fluid or vapor; to emit in minute particles; to exhale; as, the earth expires a damp vapor; plants expire odors.()The expiring of cold out of the inward parts of the earth in winter. (Bacon.)3. To emit; to give out.(Dryden.)4. To bring to a close; to terminate.()Expire the term
Of a despised life. (Shak.)v. i.1. To emit the breath.()2. To emit the last breath; to breathe out the life; to die; as, to expire calmly; to expire in agony.()3. To come to an end; to cease; to terminate; to perish; to become extinct; as, the flame expired; his lease expires to-day; the month expired on Saturday.()4. To burst forth; to fly out with a blast.(Dryden.)