(genetics) A pair of divergently-transcribed operons that work together in the same biological system

(medicine, archaic) A form of insanity which, although potentially affecting all the mental faculties and operations, apparently involves only a part as the emotions, the intellect, or the will.

Dated form of Dagu.

(preceded by definite article) A medieval instrument of torture consisting of an iron frame that encased the leg and was then heated.