mandrel Meaning, Definition & Usage

  1. noun any of various rotating shafts that serve as axes for larger rotating parts
    spindle; arbor; mandril.

WordNet

Man"drel noun
Etymology
F. mandrin, prob. through (assumed) LL. mamphurinum, fr. L. mamphur a bow drill.
Definitions
  1. (Mach.) (a) A bar of metal inserted in the work to shape it, or to hold it, as in a lathe, during the process of manufacture; an arbor. (b) The live spindle of a turning lathe; the revolving arbor of a circular saw. It is usually driven by a pulley. Written also manderil.

Webster 1913