What does "distaff" mean?

Distaff: Used as a symbol of the holder of a distaff; hence, a woman; women, collectively. His crown usurped, a distaff on the throne. Dryden. Some say the crozier, some say the distaff was too busy. Howell. Note: The plural is regular, but Distaves occurs in Beaumont & Fletcher. Descent by distaff, descent on the mother's side. -- Distaff Day, or Distaff's Day, the morrow of the Epiphany, that is, January 7, because working at the distaff was then resumed, after the Christmas festival; -- called also Rock Day, a distaff being called a rock. Shipley.