First Known Use: 1597
Dictionary
mucus
noun mu·cus \ˈmyü-kəs\
: a thick liquid that is produced in some parts of the body (such as the nose and throat)
Full Definition of MUCUS
: a viscid slippery secretion that is usually rich in mucins and is produced by mucous membranes which it moistens and protects
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Origin of MUCUS
Latin, nasal mucus; akin to Greek myxa mucus
MUCUS Defined for Kids
mucus
noun mu·cus \ˈmyü-kəs\
Definition of MUCUS for Kids
: a slippery thick sticky substance that coats, protects, and moistens the linings of body passages and spaces (as of the nose, lungs, and intestines)
Medical Dictionary
mucus
noun mu·cus \ˈmyü-kəs\
Medical Definition of MUCUS
: a viscid slippery secretion that is usually rich in mucins and is produced by mucous membranes which it moistens and protects
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