Definition of: expire

(ik·spīr′) v. ·pired, ·pir·ing v.i.
1. To exhale one's last breath; die.
2. To die out, as the embers of a fire.
3. To come to an end; terminate, as a contract or magazine subscription.
4. To breathe out air from the lungs; exhale.
—v.t.
5. To breathe out from the lungs.
6. Obs. To emit (a vapor or odor). See synonyms under DIE, END. [<L ex(s)pirare <ex- out + spirare breathe]
—ex·pir′er noun