phlegm(redirected from Lung butter)
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1. the viscid mucus secreted by the walls of the respiratory tract
2. Archaic one of the four bodily humours
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
A viscid, stringy mucus, secreted by the mucosa of the air passages.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
humor effecting temperament of sluggishness. [Medieval Physiology: Hall, 130]
Allusions—Cultural, Literary, Biblical, and Historical: A Thematic Dictionary. Copyright 2008 The Gale Group, Inc. All rights reserved.