from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A clay disk thrown as a flying target for skeet and trapshooting. Also called bird.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A flying target, usually a disc, made of a mixture of pitch and pulverized limestone rock, used as moving target in sport shooting.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. target used in skeet or trapshooting
The term is a remnant of the history of trap shooting. Originally, live pigeons were used as targets, but they were gradually replaced with clay disks and ultimately banned. Later clay has been replaced with more suitable raw materials. (Wiktionary)