- A pin or rod used to twist and wind thread - Rod on a spinning wheel - Rotating rod - Spinning rod - 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. - A slender rod or pin on which anything turns; an axis; as,
the spindle of a vane. - The shaft, mandrel, or arbor, in a machine tool, as a
lathe or drilling machine, etc., which causes the work to revolve, or
carries a tool or center, etc.