mandrel

 
Pronunciation: /ˈmandr(ə)l/

noun

  • 1a shaft or spindle in a lathe, to which work is fixed while being turned.
  • 2a rod round which metal or other material is forged or shaped.
  • 3British a miner’s pick.

Origin:

early 16th century (in mandrel (sense 3)): of unknown origin