wire brush

Short definition from Wiktionary

Noun

1. 1
   A brush that has bristles made of wire; used as an abrasive and on masonry etc; especially (when without a qualifier) the hand tool type of such a brush.
2. 2
   Alternative form of wire brush.

Verb

1. 1
   To scrub with a wire brush, especially the hand tool type.
2. 2
   Alternative form of wire brush.