Definition, Meaning & Synonyms
mucus
noun
/ˈmjuː.kəs/

Definition
A thick, slippery substance produced by the lining of various organs, especially in the respiratory and digestive systems.

Examples
- The mucus in our nose helps filter out dust and germs from the air.
- During a cold, the body produces extra mucus to fight off infection.
- Some digestive conditions can cause excessive mucus production.

Meaning
Mucus serves to protect and lubricate tissues, trapping pathogens and debris to prevent infections.

Synonyms
- phlegm
- snot
- slime
- secretions