or man·dril

[man-druh l]
See more synonyms for mandrel on
noun Machinery.
  1. a shaft or bar the end of which is inserted into a workpiece to hold it during machining.
  2. a spindle on which a circular saw or grinding wheel rotates.
  3. the driving spindle in the headstock of a lathe.

Origin of mandrel

1510–20; perhaps akin to French mandrin Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for mandrel

Historical Examples of mandrel

British Dictionary definitions for mandrel



  1. a spindle on which a workpiece is supported during machining operations
  2. a shaft or arbor on which a machining tool is mounted
  3. the driving spindle in the headstock of a lathe
  4. British a miner's pick

Word Origin for mandrel

C16: perhaps related to French mandrin lathe
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for mandrel

"miner's pick," 1510s, of unknown origin; perhaps borrowed from French mandrin, itself of unknown origin. Also applied from 17c. to parts of a lathe or a circular saw.

Online Etymology Dictionary, © 2010 Douglas Harper

mandrel in Medicine


  1. A shaft on which a working tool is mounted, as in a dental drill.
  2. mandrin
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.