01 n. A solution of continuity in any of the soft parts of the body, discharging purulent matter, found on a surface, especially one of the natur…
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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.)
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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.