rack

(redirected from racked brains)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
See: plague

RACK, punishments. An engine with which to torture a supposed criminal, in order to extort a confession of his supposed crime, and the names of his supposed accomplices. Unknown in the United States.
     2. This instrument, known by the nickname of the Duke of Exeter's daughter, was in use in England. Barr. on the Stat. 866 12 S. & R. 227.