ETYM French phlegme, flegme, Latin phlegma, from Greek phlegon a flame, inflammation, phlegm, a morbid, clammy humor in the body. Related to Phlox, Flagrant, Flame, Bleak, and Fluminate.
Expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness; SYN. sputum.
Synonym for sputum.