Meaning of ustulate

us•tu•late

Pronunciation: (adj.us'chu-lit, -lāt"v.,us'chu-lāt"), [key]
— adj., v., -lat•ed, -lat•ing.
—adj.
  1. colored or blackened as if scorched.
—v.t.
  1. to burn; sear; scorch.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.