DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   coal
       n 1: fossil fuel consisting of carbonized vegetable matter
            deposited in the Carboniferous period
       2: a hot fragment of wood or coal that is left from a fire and
          is glowing or smoldering [syn: ember, coal]
       v 1: burn to charcoal; "Without a drenching rain, the forest
            fire will char everything" [syn: char, coal]
       2: supply with coal
       3: take in coal; "The big ship coaled"