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.
Respiratory foods. (Physiol.) See 2d Note under Food, n., 1. -- Respiratory tree
(Zoöl.), the
branched internal gill of certain holothurians.