1. A check; a relapse; a discouragement; a setback.

2. Whatever is thrown back in its course, as water. Slackwater, or the backset caused by the overflow. Harper's Mag.

BACKSET
Back"set`, v. i.

Defn: To plow again, in the fall; — said of prairie land broken up in the spring. [Western U.S.]

BACKSETTLER
Back"set"tler, n. Etym: [Back, a. + settler.]

Defn: One living in the back or outlying districts of a community.
The English backsettlers of Leinster and Munster. Macaulay.

BACKSHEESH; BACKSHISH Back"sheesh`, Back"shish`, n. Etym: [Pers. bakhshish, fr. bakhshidan to give.]

Defn: In Egypt and the Turkish empire, a gratuity; a "tip".

BACKSIDE
Back"side`, n. Etym: [Back, a. + side. ]

Defn: The hinder part, posteriors, or rump of a person or animal.