respiratory

Re*spir"a*to*ry (r*spr"*t*r or rs"p*r-), a. (Physiol.) Defn: 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.

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