Obs.0 [ad. L. ūstulāt-, ppl. stem of ūstulāre to burn.] trans. (See quots.)

1

1623.  Cockeram, Vstulate, to curle or burne.

2

1656.  Blount, Glossogr., Ustulate, to burn or sear a thing [so Cooper s.v. Vstulo]; also to frizel or curle.

3

1775.  Ash, Unustulated,… not ustulated; not burnt.

4