ulcerate v 1: undergo ulceration; "Her stomach ulcerated" 2: affect with an ulcer; "Her stomach was ulcerated"
Ulcerate \Ul"cer*ate\, v. i. [imp. & p. p. {Ulcerated}; p. pr. & vb. n. {Ulcerating}.] [L. ulceratus, p. p. of ulcerare, fr. ulcus ulcer.] To be formed into an ulcer; to become ulcerous. [1913 Webster]
Ulcerate \Ul"cer*ate\, v. t. To affect with, or as with, an ulcer or ulcers. --Harvey. [1913 Webster]