heath hen 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.
☆ an extinct New England grouse (Tympanuchus cupido cupido)
heath hen definition by American Heritage Dictionary
A subspecies of the prairie chicken (Tympanuchus cupido subsp. cupido) that became extinct in eastern North America during the first part of the 20th century.