headstock

English

Noun

headstock (plural headstocks)

1. A part of a machine (such as a lathe or drill) that supports a rotating part
2. A structure atop a coal mine, used to sink and lift miners and loads.
   • 1913, DH Lawrence, Sons and Lovers, chapter 6

     It was a beautiful day. At Brinsley pit the white steam melted slowly in the sunshine of a soft blue sky; the wheels of the headstocks twinkled high up; the screen, shuffling its coal into the trucks, made a busy noise.

3. A beam that supports a bell
4. A clamp that restrains a cow by the neck
5. The part of a guitar that holds the tensioning screws of the strings