The Collaborative International Dictionary of English v.0.48:

dustpan \dust"pan`\ (d[u^]st"p[a^]n`), n.
   A shovel-like utensil with a short handle used for conveying
   away dust brushed from the floor.
   [1913 Webster]

WordNet (r) 3.0 (2006):

dustpan
    n 1: the quantity that a dustpan will hold [syn: dustpan,
         dustpanful]
    2: a short-handled receptacle into which dust can be swept