Brass

1. n. Lumps of pyrites or sulphuret of iron, the color of which is near to that of brass.
2. n. 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.
3. n. 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.
4. n. Coin made of copper, brass, or bronze.
5. n. Impudence; a brazen face.
6. n. Utensils, ornaments, or other articles of brass.
7. n. 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.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.