spindle

n. 1 slender rod or bar, often tapered, for twisting and winding thread. 2 pin or axis that revolves or on which something revolves. 3 turned piece of wood used as a banister, chair leg, etc. [old english: related to *spin]

n. The long, round, slender rod or pin in spinning wheels by which the thread is twisted, and on which, when twisted, it is wound; also, the pin on which the bobbin is held in a spinning machine, or in the shuttle of a loom.