mandrel
UK[ˈmændrəl]US[ˈmændrəl]
n
A shaft or spindle in a lathe, to which work is fixed while being turned.
n
A cylindrical rod or bar around which material is forged, shaped, or wound.
Etymology
The word 'mandrel' entered English in the 16th century, likely from the French 'mandrin', which itself may have derived from the Late Latin 'mamphur', a term for a lathe or drill. The ultimate origin is obscure but is possibly connected to a non-Indo-European source. The term's journey reflects the transmission of specialized craftsmanship vocabulary from the Mediterranean to Western Europe. In English, it became the standard technical term for a core component in turning and shaping machinery, solidifying its abstract meaning as a tool for giving form to other materials.
Analysis
The word 'mandrel' is a simplex loanword. Its spelling and form do not allow for segmentation into productive English morphemes based on its current spelling.
Examples
The machinist secured the metal workpiece onto the lathe's mandrel.
The glassblower used a mandrel to shape the molten glass into a vase.
The wire was wound tightly around a steel mandrel to create a perfect coil.