Respiration

Part of speech: noun (n.)

1. The act of respiring or breathing again, or catching one's breath.

2. Relief from toil or suffering: rest. [Obs.] Till the day Appear of respiration to the just And vengeance to the wicked. Milton.

3. Interval; intermission. [Obs.] Bp. Hall.

4. The act of resping or breathing; the act of taking in and giving out air; the aggregate of those processes bu which oxygen is introduced into the system, and carbon dioxide, or carbonic acid, removed.