Noah Webster's New International Dictionary of the English Language

1. (n.) In general, that which is set off, from, before, or against, something

2. (n.) A short prostrate shoot, which takes root and produces a tuft of leaves, etc.

3. (n.) A sum, account, or value set off against another sum or account, as an equivalent; hence, anything which is given in exchange or retaliation; a set-off.

4. (n.) A spur from a range of hills or mountains.

5. (n.) A horizontal ledge on the face of a wall, formed by a diminution of its thickness, or by the weathering or upper surface of a part built out from it; -- called also set-off.

6. (n.) A short distance measured at right angles from a line actually run to some point in an irregular boundary, or to some object.

7. (n.) An abrupt bend in an object, as a rod, by which one part is turned aside out of line, but nearly parallel, with the rest; the part thus bent aside.

8. (n.) A more or less distinct transfer of a printed page or picture to the opposite page, when the pages are pressed together before the ink is dry or when it is poor.

9. (imp. & p. p.) of Offset

10. (v. t.) To set off; to place over against; to balance; as, to offset one account or charge against another.

11. (v. t.) To form an offset in, as in a wall, rod, pipe, etc.

12. (v. i.) To make an offset.