bellybutton

or bel·ly but·ton

[ bel-ee-buht-n ]
/ ˈbɛl iˌbʌt n /

noun Informal.

the navel.

Origin of bellybutton

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

British Dictionary definitions for belly button

bellybutton
/ (ˈbɛlɪˌbʌtən) /

noun

an informal name for the navel

Medical definitions for belly button

bellybutton
[ bĕlē-bŭt′n ]

n.

navel