mandrel

noun

man·​drel ˈman-drəl 

variants or less commonly mandril

1

a

: a usually tapered or cylindrical axle, spindle, or arbor inserted into a hole in a piece of work to support it during machining

b

: a metal bar that serves as a core around which material (such as metal) may be cast, molded, forged, bent, or otherwise shaped

2

: the shaft and bearings on which a tool (such as a circular saw) is mounted

Examples of mandrel in a Sentence

Recent Examples on the Web

Moreover, cell assembly involved winding battery materials around a cylindrical mandrel and then flattening the cells by hand into a squashed oval shape that was then compacted into the battery container. —IEEE Spectrum, 22 Dec. 2014

The resin infuses the strands before they are applied to the mandrel. —Joe Pappalardo, Popular Mechanics, 4 Apr. 2018

This appears to be a mandrel, or mold, around which carbon fiber is wound for the main body of the spaceship, or BFS. —Eric Berger, Ars Technica, 9 Apr. 2018

Word History

Etymology

Medieval Latin maundrellus, probably ultimately from Old Occitan mandre kingpin

First Known Use

1554, in the meaning defined at sense 1a

Rhymes for mandrel

• spandrel

Medical Definition

mandrel

noun

man·​drel

variants also mandril

ˈman-drəl 

: the shaft and bearings on which a tool (as a dental grinding disk) is mounted