DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Clyster \Clys"ter\, n. [L., fr. G. ?. fr. ? to wash off or out;
      akin to Goth. hl[=u]trs pure, G. lauter: cf. F. clyst[`e]re]
      (Med.)
      A liquid injected into the lower intestines by means of a
      syringe; an injection; an enema.
      [1913 Webster]
      Clyster pipe, a tube or pipe used for injections.
         [1913 Webster]