from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Normal, unlabored breathing.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Normal, relaxed breathing; healthy condition of inhalation and exhalation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. normal relaxed breathing
New Latin, from Greek eupnoia, from eupnoos, breathing well : eu-, eu- + pnein, to breathe; see pneu- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)