The Collaborative International Dictionary of English v.0.48:

ashcan \ashcan\ n.
   a bin that holds rubbish until it is collected.

   Syn: trash can, garbage can, wastebin, ashbin, dustbin, trash
        barrel, trash bin.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

ashcan
    n 1: a bin that holds rubbish until it is collected [syn:
         ashcan, trash can, garbage can, wastebin, ash
         bin, ash-bin, ashbin, dustbin, trash barrel,
         trash bin]