Definition of "belly button" [belly button]

• The navel. (noun)

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• "Christos Price jerked his gaze off Shelby Dawson's belly button ring and back to his father."
• "I inflated my anti-G suit to the maximum setting and the air bladders squeezed my belly button nearly to my spine."
• "I held my breath as he leaned over me, tracing a circle around my belly button with his lips before slowly unzipping my jeans."