- by that; by means of that.
- in that connection or relation: Thereby hangs a tale.
- by or near that place.
- Scot. about that number, quantity, or degree.
- by that means; because of that
- archaic by or near that place; thereabouts
adv.Old English þærbig “by means of or because of that;” see there + by. Cf. German dabei, Dutch daarbij.