Definify.com
Webster 1913 Edition
Ustion
Us′tion
,Noun.
[L.
ustio
, fr. urere
, ustum
, to burn: cf. F. ustion
.] The act of burning, or the state of being burned.
[R.]
Johnson.
Webster 1828 Edition
Ustion
US'TION
,Noun.
The act of burning; the state of being burnt.