| Mandrel 1. (n.) A bar of metal inserted in the work to shape it, or to hold it, as in a lathe, during the process of manufacture; an arbor. 2. (n.) The live spindle of a turning lathe; the revolving arbor of a circular saw. It is usually driven by a pulley. Thesaurus Entries alcove, axis, axle, axle bar, axle shaft, axle spindle, axle-tree, belvedere, bower, casino, conservatory, distaff, fulcrum, gazebo, gimbal, glasshouse, greenhouse, gudgeon, hinge, hingle, hub, kiosk, lathhouse, mandrel, nave, oarlock, pergola, pin, pintle, pivot, pole, radiant, retreat, rowlock, spindle, summerhouse, swivel, trunnion |