mandrel

noun
man·drel | \ ˈman-drəl \
variants: or less commonly mandril

Definition of mandrel 

1a : 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

The resin infuses the strands before they are applied to the mandrel. Joe Pappalardo, Popular Mechanics, "Solid Rocket City: The Utah Space Center Fighting for Its Life," 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, "Elon Musk shows off a new tooling for the BFR spaceship," 9 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mandrel.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of mandrel

1554, in the meaning defined at sense 1a

History and Etymology for mandrel

Medieval Latin maundrellus, probably ultimately from Old Occitan mandre kingpin

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The first known use of mandrel was in 1554

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More Definitions for mandrel

mandrel

noun
man·drel
variants: also mandril \ˈman-drəl \

Medical Definition of mandrel 

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

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