Available Definitions:
1) adv. - To this place; -- used with verbs signifying motion, and implying motion toward the speaker; correlate of hence and thither; as, to come or bring hither.
2) adv. - To this point, source, conclusion, design, etc.; -- in a sense not physical.
3) a. - Being on the side next or toward the person speaking; nearer; -- correlate of thither and farther; as, on the hither side of a hill.
4) a. - Applied to time: On the hither side of, younger than; of fewer years than.