What is "castoffs"

Usage examples of "castoffs".

Since I was dressed in castoffs from the two privileged wives, and rarely given a moment of time by my husband, they looked on me with pity.

They splashed through a foul pool and out onto a narrow street covered witfi decaying garbage, castoffs, and odd hunks of refuse, as softly yielding and treacherous as the floor of a rain forest.

Most of their ilk had to make do with, at best, castoffs and obsolete units of the Confederacy Navy.