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 ]
a. [ Cf. F. mucilagineux. See Mucilage. ] 1. Partaking of the nature of, or resembling, mucilage; moist, soft, and viscid; slimy; ropy; as, a mucilaginous liquid. [ 1913 Webster ]
2. Of, pertaining to, or secreting, mucilage; as, the mucilaginous glands. [ 1913 Webster ]
3. Soluble in water, but not in alcohol; yielding mucilage; as, mucilaginous gums or plants. -- Mu`ci*lag"i*nous*ness, n. [1913 Webster]