transcription, транскрипция: [ ˈəm-(ˌ)bō ]
noun
( plural um·bo·nes ˌəm-ˈbō-(ˌ)nēz ; or umbos )
Etymology: Latin; akin to Latin umbilicus — more at navel
Date: 1721
1. : the boss of a shield
2. : a rounded elevation: as
a. : an inward projection of the tympanic membrane of the ear
b. : one of the lateral prominences just above the hinge of a bivalve shell
• um·bo·nal ˈəm-bə-n ə l, ˌəm-ˈbō- adjective
• um·bo·nate ˈəm-bə-ˌnāt, ˌəm-ˈbō-nət adjective
[
U umbo 1
]