01 a. Depressed in the middle, like a navel, as a flower, fruit, or leaf; navel-shaped; having an umbilicus; as, an umbilicated smallpox vesicle.
-
1.
Depressed in the middle, like a navel, as a flower, fruit, or leaf; navel-shaped; having an umbilicus; as, an umbilicated smallpox vesicle.(Bot.)