Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun mucus
1 sense of mucus
Sense 1
mucus, mucous secretion -- (protective secretion of the mucus 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)
=> secretion -- (a functionally specialized substance (especially one that is not a waste) released from a gland or cell)