a metal spindle or bar
, often tapered
into a lathe center
to support work while it is being machined or turned
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'mandrel'earlier manderil; prob. < Fr mandrin < Prov mandre, spindle, winch, beam (of a balance) < L mamphur, a bow drill < IE base *menth-, to twirl > ON mọndull, handle of a quern