spindle -- ((biology) tiny fibers that are seen in cell division; the fibers radiate from two poles and meet at the equator in the middle; "chromosomes are distributed by spindles in mitosis and meiosis")
spindle -- (a piece of wood that has been turned on a lathe; used as a baluster, chair leg, etc.)
spindle, mandrel, mandril, arbor -- (any of various rotating shafts that serve as axes for larger rotating parts)
spindle -- (a stick or pin used to twist the yarn in spinning)
spike, spindle -- (any holding device consisting of a rigid, sharp-pointed object; "the spike pierced the receipts and held them in order")