bellybutton

or bel·ly but·ton

[ bel-ee-buht-n ]

noun

1. the navel.

bellybutton

/ ˈbɛlɪˌbʌtən /

noun

1. an informal name for the navel

Word History and Origins

Origin of bellybutton¹

An Americanism dating back to 1875–80; belly + button