DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   spool
       n 1: a winder around which thread or tape or film or other
            flexible materials can be wound [syn: bobbin, spool,
            reel]
       v 1: transfer data intended for a peripheral device (usually a
            printer) into temporary storage
       2: wind onto a spool or a reel