bellybutton
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See also: belly-button and belly button
English
[edit]Alternative forms
[edit]Etymology
[edit]Noun
[edit]bellybutton (plural bellybuttons)
- (informal) The navel or umbilicus.
- 1909, The Boston Medical and Surgical Journal[1]:
- Always used to have pain about navel when a boy (used to call it bellybutton ache) […]