Definition of head frame in English:

head frame

noun

  • 1A framework at the top or head of something; specifically one at the top of a mine shaft or pit containing winding gear.

  • 2(In a sawmill) a frame of a carriage on which logs sit and are held (rare).

  • 3A framework for holding a person's head immobile.

Origin

Late 18th century; earliest use found in William Pain (fl. 1743–1794), writer on architecture.