umbo

noun um·bo \ ˈəm-(ˌ)bō \

Definition of umbo

plural umbones play \ˌəm-ˈbō-(ˌ)nēz\ or umbos
1 :the boss of a shield
2 :a rounded elevation: such 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

umbonal

play \ˈəm-bə-nᵊl, ˌəm-ˈbō-\ adjective

umbonate

play \ˈəm-bə-ˌnāt, ˌəm-ˈbō-nət\ adjective

Illustration of umbo

Origin and Etymology of umbo

Latin; akin to Latin umbilicus — more at navel


Medical Dictionary

umbo

noun um·bo \ ˈəm-(ˌ)bō \

medical Definition of umbo

plural umbones play \ˌəm-ˈbō-(ˌ)nēz\ or umbos
:an elevation in the tympanic membrane of the ear

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