: a viscid slippery secretion that is usually rich in mucins and is produced by mucous membranes which it moistens and protects
Examples of mucus in a Sentence
Recent Examples on the Web
Share [Findings] Stinging water was blamed on jellyfish mucus.
—
Rafil Kroll-Zaidi, Harper's Magazine, 22 May 2024
The pathogen can be deadly to people with underlying conditions such as cystic fibrosis, a genetic disorder that impairs the cells’ ability to effectively flush mucus from the lungs and other body systems.
—Tribune News Service, The Mercury News, 18 May 2024
See all Example Sentences for mucus 
Rafil Kroll-Zaidi, Harper's Magazine, 22 May 2024
The pathogen can be deadly to people with underlying conditions such as cystic fibrosis, a genetic disorder that impairs the cells’ ability to effectively flush mucus from the lungs and other body systems.
—Tribune News Service, The Mercury News, 18 May 2024
See all Example Sentences for mucus
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mucus.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Articles Related to mucus
Dictionary Entries Near mucus
Cite this Entry
“Mucus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mucus. Accessed 29 May. 2024.
Copy CitationKids Definition
mucus
noun
mu·cus
ˈmyü-kəs 
: a slippery sticky substance produced especially by mucous membranes which it moistens and protects
Medical Definition
mucus
noun
mu·cus
ˈmyü-kəs
: a viscid slippery secretion that is usually rich in mucins and is produced by mucous membranes which it moistens and protects
Love words? Need even more definitions?
Merriam-Webster unabridged
Share