DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   working
       adj 1: actively engaged in paid work; "the working population";
              "the ratio of working men to unemployed"; "a working
              mother"; "robots can be on the job day and night" [syn:
              working(a), on the job(p)]
       2: adequate for practical use; especially sufficient in strength
          or numbers to accomplish something; "the party has a working
          majority in the House"; "a working knowledge of Spanish"
       3: adopted as a temporary basis for further work; "a working
          draft"; "a working hypothesis"
       4: (of e.g. a machine) performing or capable of performing; "in
          running (or working) order"; "a functional set of brakes"
          [syn: running(a), operative, functional, working(a)]
       5: serving to permit or facilitate further work or activity;
          "discussed the working draft of a peace treaty"; "they need
          working agreements with their neighbor states on interstate
          projects"
       n 1: a mine or quarry that is being or has been worked [syn:
            working, workings]