Backset

Origin

back + set

Full definition of backset

Noun

1. A check; a relapse; a discouragement; a setback.
2. Whatever is thrown back in its course, such as water.
• Harper's MagazineSlackwater, or the backset caused by the overflow.

Verb

1. (US, Western US) To plow again in the fall; said of prairie land broken up in the spring.