DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   spall
       n 1: a fragment broken off from the edge or face of stone or ore
            and having at least one thin edge; "a truck bearing a mound
            of blue spalls" [syn: spall, spawl]