umbo

Tanımlar (İngilizce)

1. isim The boss of a shield, at or near the middle and usually projecting, sometimes in a sharp spike.

   “It is thirteen inches diameter, made of wood covered with leather, and an iron plate decorated with nails and mouldings; the boss or umbo projects four inches.”

2. isim An inward projection of the tympanic membrane of the ear.
3. isim One of the lateral prominences just above the hinge of a bivalve shell.
4. isim A bump or protrusion on the cap of a mushroom or toadstool.