Ul"cer (?), n. [F. ulcere, L. ulcus, gen. ulceris, akin to Gr. .]
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.
2.
Fig.: Anything that festers and corrupts like an open sore; a vice in character.
Cold ulcer Med., an ulcer on a finger or toe, due to deficient circulation and nutrition. In such cases the extremities are cold.
© Webster 1913.
Ul"cer, v. t.
To ulcerate.
[R.]
Fuller.
© Webster 1913.