mucus
/ˈmjuːkəs/ noun
Forms muci mucuses
- noun (physiology) A slippery secretion from the lining of the mucous membranes. “The mucus in coryza may vary from runny to viscous.”
Synonyms
Etymology
Partly displaced Old English slīm, whence modern slime.
Webster’s 1913
- noun A viscid fluid secreted by mucous membranes, which it serves to moisten and protect. It covers the lining membranes of all the cavities which open externally, such as those of the mouth, nose, lungs, intestinal canal, urinary passages, etc.
- noun Any other animal fluid of a viscid quality, as the synovial fluid, which lubricates the cavities of the joints; --improperly so used.
Etymology [L. mucus, muccus; cf. mucere 8be moldy or musty, Gr. muc to release. Cf. Match for striking fire, Moist, Mucilage.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “mucus”, CC BY-SA 4.0. Details