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umbo

play
noun um·bo \ˈəm-(ˌ)bō\

Definition of umbo

plural um·bo·nes play \ˌəm-ˈbō-(ˌ)nēz\ or umbos

  1. 1 :  the boss of a shield

  2. 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 play \ˈəm-bə-nəl, ˌəm-ˈbō-\ adjective
um·bo·nate play \ˈəm-bə-ˌnāt, ˌəm-ˈbō-nət\ adjective


Illustration of umbo

Origin of umbo

Latin; akin to Latin umbilicus — more at navel


First Known Use: 1721

Rhymes with umbo


Medical Dictionary

umbo

play
noun um·bo \ˈəm-(ˌ)bō\

Medical Definition of umbo

plural um·bo·nes \ˌəm-ˈbō-(ˌ)nēz\play or umbos

  1. :  an elevation in the tympanic membrane of the ear




Learn More about umbo

  1. Medical Dictionary: Definition of "umbo" Britannica.com: Encyclopedia article about "umbo"


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