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.-impudence; a brazen face.-utensils, ornaments, or other articles of brass.-a brass plate engraved with a figure or device. specifically, one used as a memorial to the dead, and generally having the portrait, coat of arms, etc.-lumps of pyrites or sulphuret of iron, the color of which is near to that of brass.