Mu`ci*lag"i*nous (?), 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.

2. Of, pertaining to, or secreting, mucilage; as, the mucilaginous glands.

3. Soluble in water, but not in alcohol; yielding mucilage; as, mucilaginous gums or plants. -- Mu`ci*lag"i*nous*ness, n.