n. [ F., from L. mucilago a musty juice, fr. mucus mucus, slime. See Mucus. ] 1. (Bot. Chem.) A gummy or gelatinous substance produced in certain plants by the action of water on the cell wall, as in the seeds of quinces, of flax, etc. [ 1913 Webster ]
2. An aqueous solution of gum, or of substances allied to it; a glue; a liquid adhesive; as, medicinal mucilage; mucilage for fastening envelopes. [ 1913 Webster ]