The Collaborative International Dictionary
Brush wheel
Brush wheel \Brush" wheel`\
A wheel without teeth, used to turn a similar one by the friction of bristles or something brushlike or soft attached to the circumference.
A circular revolving brush used by turners, lapidaries, silversmiths, etc., for polishing.
Wiktionary
brush wheel
n. 1 A wheel without tooth, used to turn a similar one by the friction of bristles or something brush-like or soft attached to the circumference. 2 A circular revolve brush used by turners, lapidary, silversmiths, etc., for polishing.