Your request was ucler which is probably a typo from ulcer.
ucler -
Traditional English :: ulcer
ucler - n. 1 an open sore on an external or internal surface of the body, often forming pus. 2 a a moral blemish. b a corroding or corrupting influence etc.
ulcered adj. ulcerous adj. [ME f. L ulcus -eris, rel. to Gk helkos]