An alloy (usually yellow) of copper and zinc, in variable proportion, but often containing two parts of copper to one part of zinc. It sometimes contains tin, and rarely other metals.
A journal bearing, so called because frequently made of brass. A brass is often lined with a softer metal, when the latter is generally called a white metal lining. See Axle box, Journal Box, and Bearing.
Coin made of copper, brass, or bronze.