whereby

1 definition found

whereby - Collaborative International Dictionary of English v.0.48 :

  Whereby \Where*by"\, adv.
     [1913 Webster]
     1. By which; -- used relatively. "You take my life when you
        take the means whereby I life." --Shak.
        [1913 Webster]
  
     2. By what; how; -- used interrogatively.
        [1913 Webster]
  
              Whereby shall I know this?            --Luke i. 18.
        [1913 Webster]