The Collaborative International Dictionary
Jerkinhead
Jerkinhead \Jer"kin*head`\, n. (Arch.) The hipped part of a roof which is hipped only for a part of its height, leaving a truncated gable.
Wiktionary
jerkinhead
n. (context architecture English) The hipped part of a roof which is hipped only for a part of its height, leaving a truncated gable.