Belly button

bellybutton

[bel-ee-buht-n]
noun Informal.
the navel.
Also, belly button.


Origin:
1875–80, Americanism; belly + button

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
bellybutton (ˈbɛlɪˌbʌtən)
 
n
an informal name for the navel

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

belly button
"navel," 1877, colloquial, from belly + button. Also bellybutton, belly-button.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

bellybutton bel·ly·but·ton (běl'ē-bŭt'n)
n.
See navel.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Slang Dictionary

belly button definition


  1. n.
    the navel. : Is your belly button an insy or an outsy?
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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Encyclopedia Britannica
Encyclopedia

belly button

in anatomy, a small depression in the abdominal wall at the point of attachment of the umbilical cord (q.v.). It indicates the point through which the mammalian fetus obtained nourishment from its mother through the blood vessels of the umbilical cord.

Learn more about belly button with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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