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.