headframe

[ hed-freym ]
/ ˈhɛdˌfreɪm /

noun

a structure supporting the hoisting sheaves at the top of a mine shaft.

Origin of headframe

First recorded in 1875–80; head + frame
Also called gallows frame.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019