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