ruby-throated hummingbird 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.
a common North American hummingbird (Archilochus colubris), the male of which has a metallic green back and a red throat
ruby-throated hummingbird definition by American Heritage Dictionary
A small bird (Archilochus colubris) of eastern North America, having metallic-green upper plumage and, in the male, a brilliant red throat.