Definition of "thunderbird" [thun•der•bird]

• A spirit of thunder, lightning, and rain in the form of a huge bird in the mythology of certain Native American peoples. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Outlook replacement is Thunderbird with addons in thunderbird it can also replace the windows built in Address book"
• "The "cradle board" drawing, which is connected by a line to a "thunderbird," is thought to perhaps illustrate a naming ceremony."
• "If you are not in the same directory as the app thunderbird you can try the command without the initial "./", but then "thunderbird" has to be in your path (which it probably is)."