debrain

de- +‎ brain

debrain (third-person singular simple present debrains, present participle debraining, simple past and past participle debrained)

1. (transitive) To remove the brain from.
   • 2004, Stephen King, “Hides”, in The Dark Tower VII: The Dark Tower, New York: Pocket Books, →ISBN, page 796:

     They cracked heads, used Roland’s knife (its edge now dull) to pry open skulls, and removed the brains of their kill. These they put carefully aside, like a clutch of large gray eggs. By the time the last deer was debrained, Susannah’s fingers were so sore and swollen she could hardly bend them.

• Braiden, bandier, brained