'Respiratory' definitions:

Definition of 'respiratory'

From: WordNet
adjective
Pertaining to respiration; "respiratory assistance"

Definition of 'Respiratory'

From: GCIDE
  • Respiratory \Re*spir"a*to*ry\ (r?*sp?r"?*t?*r? or r?s"p?*r?-), a. (Physiol.) Of or pertaining to respiration; serving for respiration; as, the respiratory organs; respiratory nerves; the respiratory function; respiratory changes. [1913 Webster]
  • Respiratory foods. (Physiol.) See 2d Note under Food, n., 1.
  • Respiratory tree (Zool.), the branched internal gill of certain holothurians. [1913 Webster]