navel
Concise Oxford English Dictionary © 2008 Oxford University Press:
/ˈneɪvl/
▶noun
- 1 a rounded knotty depression in the centre of a person's belly caused by the detachment of the umbilical cord after birth; the umbilicus.
- 2 the central point of a place.
– origin OE nafela, of Gmc origin.
'navel' also found in these Oxford entries:
belly button
- Heimlich procedure
- navel-gazing
- navel orange
- nombril
- omphalo-
- omphalos
- tummy button
- umbilical
- umbilicus

