What does "mucus" mean?

A slippery secretion from the lining of the mucous membranes.

What is a synonym for "mucus"?

Common synonyms include: albumen, antifriction, autacoid, batter, bile, black lead.

/ˈmjuːkəs/ noun

noun ·Moderate ·College level

Noun

1
A slippery secretion from the lining of the mucous membranes. uncountable, usually
"The mucus in coryza may vary from runny to viscous."
2
protective secretion of the mucous membranes; in the gut it lubricates the passage of food and protects the epithelial cells; in the nose and throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium wordnet
3
Short for vegetable mucus abbreviation, alt-of, uncountable, usually

"I have mucus coming out of my eyes."

Learned borrowing from Latin mūcus. Partly displaced Old English slīm, whence modern slime.