/myooh"seuh lij/ , n.
1. any of various, usually liquid, preparations of gum, glue, or the like, used as an adhesive.
2. any of various gummy secretions or gelatinous substances present in plants.
[ 1350-1400; ME muscilage musillage mucilago a musty juice, akin to mucere to be musty. See MUCOR ]