mucus

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noun mu·cus \ˈmyü-kəs\

Definition of mucus

  1. :  a viscid slippery secretion that is usually rich in mucins and is produced by mucous membranes which it moistens and protects

Origin and Etymology of mucus

Latin, nasal mucus; akin to Greek myxa mucus


First Known Use: 1597


MUCUS Defined for English Language Learners

mucus

play
noun mu·cus \ˈmyü-kəs\

Definition of mucus for English Language Learners

  • : a thick liquid that is produced in some parts of the body (such as the nose and throat)


MUCUS Defined for Kids

mucus

play
noun mu·cus \ˈmyü-kəs\

Definition of mucus for Students

  1. :  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

play
noun mu·cus \ˈmyü-kəs\

Medical Definition of mucus

  1. :  a viscid slippery secretion that is usually rich in mucins and is produced by mucous membranes which it moistens and protects


Learn More about mucus


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