\Man"drel\, n. [F. mandrin, prob. through (assumed) LL.
mamphurinum, fr. L. mamphur a bow drill.] (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}.]
{Mandrel lathe}, a lathe with a stout spindle, adapted esp.
   for chucking, as for forming hollow articles by turning or
   spinning.