Chatham Islands definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
group of islands of New Zealand, c. 500 mi (805 km) east of North Island: 372 sq mi (963 sq km)
Chatham Islands definition by American Heritage Dictionary
An island group of New Zealand in the southwest Pacific Ocean east of South Island. The islands were discovered in 1791.