castoff

adj, noun — 2 senses

adj

Etymology Deverbal from cast off.

Discarded, rejected.

noun

Etymology Deverbal from cast off.

Something that has been rejected or discarded; a reject.

Found art is created when odd, disparate, unlikely, even long-abandoned castoffs are put together with other similarly unexpected remnants to create something new and, if all goes as planned, lovely.2009, Leeana Tankersley, Found Art: Discovering Beauty in Foreign Places, page 13:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.