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]