ulcer Pronunciation: /ˈʌlsər; ˈʌlsə(r)/Translate ulcer | into French | into German | into Italian Spanish translation of ulcern (internal) úlcera (f); (external) llaga (f) a mouth ulcer = una llaga en la bocaulcer in other Oxford dictionaries Definition of ulcer in the British & World English dictionary Definition of ulcer in the US English dictionary