from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A short-winged hawk (Accipiter cooperii) widespread throughout North America, having a dark back, a long tail, and a rusty-barred chest.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A medium-sized hawk found from Canada to northern Mexico.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. bluish-grey North American hawk having a darting flight
After William Cooper (1797-1864), American ornithologist.(American Heritage® Dictionary of the English Language, Fourth Edition)
Named after William Cooper. (Wiktionary)