lewd. licentiosus, from licentia, lichen (li'ken). 1

A plant of the Lichenes; of Matthaeus, Cctraria islandica; of the pharmacopeias, Iceland mo . 2. A dry, papular eruption of the skin. 1. annular is. Syn.: granuloma annul are (Crocker), ringed eruption of the extremities (Galloway). A rare disease characterized by ringed eruptions upon the sides and back of the fingers. Probably a form of /. plan us. 1. plan us. Syn.: I. rubra plan us, I. psoriasis. A chronic inflammatory disease of the skin characterized by peculiar, glistening, flattened papules of polygonal outline and of a purplish red color. Twenty-six varieties have been described by dermatologists, named according to the prevailing form of lesion, to the situation in which the disease occurs, or as complicating some disease, as syphilis. [Gr., leichen.] lichenin (li'ken-in). A compound carbohydrate, closely resembling starch, obtained from certain lichens and Algae. lichenoid. Resembling the disease lichen. licorice (lik'or-is). 1. Glycyrrhiza glabra and Glycyrrhiza echinata. 2. Their inspi ated juice. 3. Their roots. [Gr., glukuSj sweet, -friz a, a root.] lid. A movable covering, especially the cartilaginous, cutaneous, and mucous covering of the eye. granular Fs. See trachoma.