The Collaborative International Dictionary
Underturn
Underturn \Un`der*turn\, v. t.
To turn upside down; to subvert; to upset. [Obs.]
--Wyclif.
Wiktionary
underturn
vb. (context transitive obsolete English) To turn upside down; subvert; upset.
Usage examples of "underturn".
One of his hands left me, and although I didn't look up to trace it, I knew somehow it was pensively stroking the underturn of his face.