From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( adv.) To what or which place; - used relatively.

(2): ( adv.) To what point, degree, end, conclusion, or design; whereunto; whereto; - used in a sense not physical.

(3): ( adv.) To what place; - used interrogatively; as, whither goest thou?

King James Dictionary [2]

Whither, adv.

1. To what place, interrogatively. Whither goest thou?

Whither away so fast?

2. To what place, absolutely.

I strayd, I knew not whither.

3. To which place, relatively.

Whither when as they came, they fell at words.

4. To what point or degree. 5. Whithersoever.