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The Collaborative International Dictionary of English v.0.48 (gcide)

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]