Definitions
1.NounThe boss of a shield, at or near the middle and usually projecting, sometimes in a sharp spike.
2.NounA boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane.
An inward projection of the tympanic membrane of the ear.
One of the lateral prominences just above the hinge of a bivalve shell.
A bump or protrusion on the cap of a mushroom or toadstool.
3.NounAn inward projection of the tympanic membrane of the ear.
4.NounOne of the lateral prominences just above the hinge of a bivalve shell.
5.NounA bump or protrusion on the cap of a mushroom or toadstool.