GNU Collaborative International Dictionary of English

Found one definition

1.       
   Whither , adv. [OE. whider. AS. hwider; akin to E. where, who; cf. Goth. hvadrē whither. See Who, and cf. Hither, Thither.]
   1913 Webster
   To what place; -- used interrogatively; as, whither goest thou? “Whider may I flee?” 
   Chaucer.
   
   1913 Webster
   Sir Valentine, whither away so fast?
   Shak.
   
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   To what or which place; -- used relatively.
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   That no man should know . . . whither that he went.
   Chaucer.
   
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   We came unto the land whither thou sentest us.
   Num. xiii. 27.
   
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   To what point, degree, end, conclusion, or design; whereunto; whereto; -- used in a sense not physical.
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   Nor have I . . . whither to appeal.
   Milton.
   
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   Any whither, to any place; anywhere. [Obs.] “Any whither, in hope of life eternal.” Jer. Taylor. -- No whither, to no place; nowhere. [Obs.]
   2 Kings v. 25.
   
   1913 Webster
   Syn. -- Where.  -- Whither, Where. Whither properly implies motion to place, and where rest in a place. Whither is now, however, to a great extent, obsolete, except in poetry, or in compositions of a grave and serious character and in language where precision is required. Where has taken its place, as in the question, “Where are you going?”
   1913 Webster
   
   1913 Webster