The Collaborative International Dictionary
Eventerate
Eventerate \E*ven"ter*ate\, v. t. [L. e out + venter the belly:
cf. F. ['e]venter.]
To rip open; to disembowel. [Obs.]
--Sir. T. Brown.
Wiktionary
eventerate
vb. (context obsolete transitive English) To rip open; to disembowel.