That breathes (in various senses of breathe, v.); esp. respiring; living.

Of, relating to, or containing vital spirit or other spirits of the body (see spirit, n. 21a(a)); spec. designating the organs within the chest…

= respiratory, adj. 1.

Of, relating to, or of the nature of breath.

Connected with breathing; having the power of breathing; respiratory.

Respiring.

Probably: scented or emitting a fragrance (cf. respire, v. 4). Obsolete. rare.

Admitting of transpiration; capable of being breathed through.

Designating, relating to, or affecting the organs involved in respiration; of or relating to respiration (respiration, n. 1a).

Medicine. Relating to breath or breathing; respiratory; pulmonary. Now rare.

of, relating to, or affecting the heart and respiratory system, esp. with regard to their function.

Respiratory; that breathes or respires.