D defs.my
Entry 2 senses Webster, 1913

Expiring

/ĭk-spīr'-ĭng/ · Ex·pir·ing · IPA /ɪkspˈaɪrɪŋ/
01 a. Breathing out air from the lungs; emitting fluid or volatile matter; exhaling; breathing the last breath; dying; ending; terminating.
  1. 1.
    Breathing out air from the lungs; emitting fluid or volatile matter; exhaling; breathing the last breath; dying; ending; terminating.
  2. 2.
    Pertaining to, or uttered at, the time of dying; as, expiring words; expiring groans.