From Longman Dictionary of Contemporary Englishdoorstopdoor‧stop /ˈdɔːstɒp $ ˈdɔːrstɑːp/ (also doorstopper /-ˌstɒpə $ -ˌstɑːpər/ British English) noun [countable] 1 DHHsomething you put under or against a door to keep it open2 DHHa rubber object fastened to a wall to stop a door hitting it when it opens
Examples from the Corpus
doorstop• They'd been using the encyclopedia as a doorstop.• Decker power sander or Sears Craftsman heavy-duty pressure-washer, unless you want to see it end up as a doorstop.• I can see why Mrs Hudson is a little upset at 137 being used as a doorstop.• His paper-weight and doorstop were of ground and polished foin-stone.• Nowhere was it written that Macintosh would render Lisa an expensive and rather bulky doorstop. 