Navel-like, with a small central hollow or depression.
Depressed in the centre, like one end of an apple.
Having the appearance of being pitted or indented; shaped like an umbilicus; used to describe some skin conditions.
With a small depression, like a navel, in the centre.
Dimpled, pitted, or shaped like a navel. Said of the appearance of certain rashes, such as molluscum contagiosum.