Meaning of MANDREL in English

MANDREL

I. noun

also man·dril ˈmandrə̇l

( -s )

Etymology: probably modification of French mandrin

1. Britain : a miner's pick

2.

a. : a usually tapered or cylindrical axle, spindle, or arbor that is inserted into a hole in a piece of work so as to support the work during machining

b. : a metal bar that serves as a core around which metal or other material may be cast, molded, forged, bent, or otherwise shaped

3. : any of a train of jointed units intended to be pulled through an underground duct as each joint is made to ensure perfect alignment or through a steel pipe in process of welding to ensure a smooth interior

4. : the shaft and bearings on which a tool (as a dental grinding disk or circular saw) is mounted

5. : a temporary interior support for a thin-walled tube (as a tubular steel pile to be filled later with concrete) being driven into something

II. transitive verb

( -ed/-ing/-s )

: to turn with a mandrel

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.