English

Definition of mucus noun from the Oxford Advanced Learner's Dictionary

 

mucus

 noun
noun
BrE BrE//ˈmjuːkəs//
 
; NAmE NAmE//ˈmjuːkəs//
 
[uncountable]
 
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a thick liquid that is produced in parts of the body, such as the nose, by a mucous membrane a handkerchief stained with blood and mucus The frog’s eggs are surrounded by a coating of jelly-like mucus. Word Origin mid 17th cent.: from Latin.
See the Oxford Advanced American Dictionary entry: mucus