from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An unusually large person, animal, or thing.
  • adjective Unusually large.

from The Century Dictionary.

  • noun A very large individual of its kind or class.
  • noun Any large, cumbersome machine; in particular, a home-made windmill built for lifting water for irrigation on the Great Plains.
  • noun In the West Indies, same as mumbo-jumbo. In the form jumby it is used in various compounds.

from the GNU version of the Collaborative International Dictionary of English.

  • noun Any object which is a very large example of its class.
  • adjective Very large.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Especially large or powerful.
  • noun An especially large or powerful person, animal or thing.
  • noun A popular name for an elephant.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective of great mass; huge and bulky


from The American Heritage® Dictionary of the English Language, 4th Edition

[After Jumbo, a large elephant exhibited by P.T. Barnum, probably from slang, clumsy person.]


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