- Of, pertaining to, or resembling, mucus; slimy, ropy, or
stringy, and lubricous; as, a mucous substance. - Secreting a slimy or mucigenous substance; as, the mucous
membrane.
Meaning of 'mucous' (Princeton's WordNet)
1 . mucous
[ a]
Meaning (1): - of or secreting or covered with or resembling mucus