What does "broom" mean?

Broom: An implement for sweeping floors, etc., commonly made of the panicles or tops of broom corn, bound together or attached to a long wooden handle; -- so called because originally made of the twigs of the broom. Butcher's broom, a plant (Ruscus aculeatus) of the Smilax family, used by butchers for brooms to sweep their blocks; -- called also knee holly. See Cladophyll. -- Dyer's broom, a species of mignonette (Reseda luteola), used for dyeing yellow; dyer's weed; dyer's rocket. -- Spanish broom. See under Spanish.