Definition of mucus

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  • mucus is a valid Scrabble US word with a point value of 9
  • mucus is a valid Scrabble UK word with a point value of 9
  • mucus is a valid Words with friends word with a point value of 13

Definition of mucus

  • 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 (noun)

    Synonyms

    1. mucous secretion

See definition of mucus in Merriam Webster