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[bel-ee-buht-n] /ˈbɛl iˌbʌt n/
noun, Informal.
the navel.
Also, belly button.
1875-80, Americanism; belly + button Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for belly button


an informal name for the navel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for belly button

"navel," 1877, colloquial, from belly (n.) + button (n.). Also bellybutton, belly-button.

Online Etymology Dictionary, © 2010 Douglas Harper
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belly button in Medicine

bellybutton bel·ly·but·ton (běl'ē-bŭt'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 definitions & phrases for belly button

belly button

noun phrase

The navel (1870s+)

been around

adverb phrase

Sexually experienced: She'd been around the block before he met her

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Encyclopedia Article for 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.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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