ulcerate Copy link Outline A. Trans.1. ulcĕro, 12. exulcĕro, 1B. Intrans. • ulcerate: A. Trans.: to affect with an ulcer, to make sore: 1. ulcĕro, 1: Hor. S. 1, 6, 106: Cic. Fat. 16, 36. 2. exulcĕro, 1: Cels. 4, 22: Col. 7, 9, 5. B. Intrans.: to be formed into an ulcer: suppūro, 1: Plin. 22, 14, 16: v. suppurate.