DuckCorp Dico

Found one definition

1.                 From en.wiktionary.org:
                   
   
   
                   
                     
   
   ** English
   
   *** Etymology
   From [en].
   
   *** Noun
   [~]
   
    1. [en]  A part used in the piping  for steam .
    2. [en]  The act or occupation of installing and maintaining piping for steam.