Main Entry:

phlegm

Pronunciation:

\ˈflem\

Function:

noun

Etymology:

Middle English fleume, from Anglo-French, from Late Latin phlegmat-, phlegma, from Greek, flame, inflammation, phlegm, from phlegein to burn — more at black

Date:

13th century

1: the one of the four humors in early physiology that was considered to be cold and moist and to cause sluggishness2: viscid mucus secreted in abnormal quantity in the respiratory passages3 a: dull or apathetic coldness or indifference b: intrepid coolness or calm fortitude

— phlegmy \ˈfle-mē\ adjective