Expire, 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. [Obs.] "The ponderous ball expires." Dryden.
1 other Webster entry under this spelling
Expire, v. t. [imp. & p. p. Expired;p. pr & vb. n. Expiring.]
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. [Obs.] Dryden.
4. To bring to a close; to terminate. [Obs.] Expire the term Of a despised life. Shak.