Originally: flowing as a discharge from the body. Subsequently: (of a part of the body) discharging a body fluid; (of a wound or sore) suppurating…

Forming or discharging matter; purulent.

Pathology. Of an ulcer, wound, etc.: yielding or discharging matter of this kind.

Of an ulcer: = sordid, adj. 1b.

Of the nature or character of ichor; containing or discharging ichor.

= ichorous, adj.