name: A surname (very rare: popularity rank in the U.S.: #39393)
noun: The shrub that roses grow on; a rose plant.
noun: A small village in Maenclochog community, Pembrokeshire, Wales, named after the Rosebush quarry, and possibly an Anglicisation of Welsh Rhos y Bwlch or Rhosbwlch (OS grid ref SN0729).
noun: A village in Isabella County, Michigan, United States, named after Rose Bush, wife of James Bush.