UMBO


Meaning of UMBO in English

( n. )

A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvae of echinoderms or in the tympanic membrane of the ear.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.