belly button 
noun informal
A person’s navel.Squeeze your buttocks, draw your belly button to your spine and tilt your pelvis....
- She is nude and the image shows her body from her belly button to her knees.
- Most want ear or nose piercings, although a few prefer to have their belly button or genitals pierced.
- temporal bone
- temporalis
- temporality
- temporal lobe
- temporally
- temporal power
- temporarily
- temporariness
- temporary
- temporary hardness
- temporary ley
- temporise
- temporization
- temporize
- temporizer
- temporomandibular joint
- tempo rubato
- Tempranillo
- temps levé
- tempt
- temptability
- temptable
- temptation
- tempter
- tempt fate (or providence)