the GNU version of the Collaborative International Dictionary of English
adj. Of or pertaining to respiration; serving for respiration
The Century Dictionary and Cyclopedia
Pertaining to or serving for respiration.
Internal, the phrenic nerve.
An orifice, generally at the end of a tubular process, through which some aquatic larvæ, or larvæ living in putrescent matter, under the skin of animals, etc., obtain air.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. pertaining to respiration
Word Usage
"And that tells us that he had what we call a respiratory arrest first, not a heart attack or his heart stopping first."