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Umbo |
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umbo [′əm·bō]
(anatomy) A rounded elevation of the surface of the tympanic membrane. (invertebrate zoology) A prominence above the hinge of a bivalve mollusk shell. Umbo the iron central boss of a shield, which protected the warrior’s hand. Under the hemispherical or conical umbo was a crosspiece by which the shield was held. Shields with umbones were widely used in ancient Greece and Rome and in medieval Europe and Rus’. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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