\There*by"\, adv.
1. By that; by that means; in consequence of that.
         Acquaint now thyself with him, and be at peace;
         thereby good shall come unto thee.    --Job xxii.
                                               21.
2. Annexed to that. ``Thereby hangs a tale.'' --Shak.
3. Thereabout; -- said of place, number, etc. --Chaucer.