(a.) Of or pertaining to respiration; serving for respiration; as, the respiratory organs; respiratory nerves; the respiratory function; respiratory changes.

breathing errhine expiratory heaving huffing inspiratory nasal panting pneumonic puffing pulmonary pulmonic respiratory rhinal sneezy sniffling sniffly sniffy snoring snorting snuffling snuffly snuffy sternutatory stertorous wheezing wheezy