Ulcer /(?)/

Ul·cer

Ulcer

n.
  1. 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. (Med.)
  2. Fig.: Anything that festers and corrupts like an open sore; a vice in character.

Phrases & Compounds
Cold ulcer
an ulcer on a finger or toe, due to deficient circulation and nutrition. In such cases the extremities are cold.

Ulcer

v. t.
  1. To ulcerate. [R.]