Webster 1913 Edition
ulceris, akin to Gr. [GREEK].]
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.
Fig.: Anything that festers and corrupts like an open sore; a vice in character.
an ulcer on a finger or toe, due to deficient circulation and nutrition. In such cases the extremities are cold.
Webster 1828 Edition
A sore; a solution of continuity in any of the soft parts of the body, attend with a secretion of pus or some kind of discharge. Ulcers on the lungs are seldom healed.