UMBILICATE

umbilicate

(adjective) depressed like a navel

Source: WordNet® 3.1

Etymology

Adjective

umbilicate (comparative more umbilicate, superlative most umbilicate)

Having a navel

(mycology, of a mushroom etc.) Having a small umbo in a central depression, or a depression in the center of the cap

(botany) Supported by a central stalk.

Source: Wiktionary

Um*bil"i*cate, Um*bil"i*ca`ted, a. Etym: [L. umbilicatus. See Umbilic.] (a) Depressed in the middle, like a navel, as a flower, fruit, or leaf; navel-shaped; having an umbilicus; as, an umbilicated smallpox vesicle. (b) (Bot.) Supported by a stalk at the central point.

Source: Webster’s Unabridged Dictionary 1913 Edition