ulcer

n. [ F. ulcère, L. ulcus, gen. ulceris, akin to Gr. &unr_;. ] 1. (Med.) A solution of continuity in any of the soft parts of the body, discharging purulent matter, found on a surface, especially one of the natural surfaces of the body, and originating generally in a constitutional disorder; a sore discharging pus. It is distinguished from an abscess, which has its beginning, at least, in the depth of the tissues. [ 1913 Webster ]

2. Fig.: Anything that festers and corrupts like an open sore; a vice in character. [ 1913 Webster ]

Cold ulcer (Med.), an ulcer on a finger or toe, due to deficient circulation and nutrition. In such cases the extremities are cold. [ 1913 Webster ]

a. Capable of ulcerating. [ 1913 Webster ]

v. t. To affect with, or as with, an ulcer or ulcers. Harvey. [ 1913 Webster ]

v. i. [ imp. & p. p. Ulcerated p. pr. & vb. n. Ulcerating. ] [ L. ulceratus, p. p. of ulcerare, fr. ulcus ulcer. ] To be formed into an ulcer; to become ulcerous. [ 1913 Webster ]

a. Affected with, or as with, an ulcer or ulcers; as, an ulcerated sore throat. [ 1913 Webster ]

n. [ L. ulceratio: cf. F. ulcération. ] (Med.) The process of forming an ulcer, or of becoming ulcerous; the state of being ulcerated; also, an ulcer. [ 1913 Webster ]

a. Of or pertaining to ulcers; as, an ulcerative process. [ 1913 Webster ]

a. Ulcerous; ulcerated. [ 1913 Webster ]