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jumbo

 - 3 dictionary results

jum⋅bo

[juhm-boh] noun, plural -bos, adjective Informal.
–noun
1. a very large person, animal, or thing.
2. jumbo jet.
3. U.S. Nautical.
a. a forestaysail having a boom (jumbo boom) along its foot, used esp. on schooners.
b. a sail used in place of a course on a square-rigged ship, having the form of an isosceles triangle set apex downward.
c. a narrow triangular sail set point downward in place of a foresail on a topsail schooner.
–adjective
4. very large: the jumbo box of cereal.

Origin:
1800–10; orig. uncert.; popularized as the name of a large elephant purchased and exhibited by P.T. Barnum in 1882

jumbo jet

–noun
a widebody jet airliner.
Also, jumbo.


Origin:
1960–65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To jumbo
jum·bo   (jŭm'bō)   
n.   pl. jum·bos
An unusually large person, animal, or thing.
adj.  Unusually large: jumbo shrimp; a jumbo jet.

[After Jumbo, a large elephant exhibited by P.T. Barnum, probably from slang, clumsy person.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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