umbo
IPA: ˈʌmboʊ
noun
- (historical) The boss of a shield, at or near the middle and usually projecting, sometimes in a sharp spike.
- (biology) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane.
- (anatomy) An inward projection of the tympanic membrane of the ear.
- (zoology) One of the lateral prominences just above the hinge of a bivalve shell.
- (mycology) A bump or protrusion on the cap of a mushroom or toadstool.
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Examples of "umbo" in Sentences
- Umbo, otherwise known as, largely small.
- Parma had a handle and a shield boss umbo .
- They vary in shape and lack an apophysis and an umbo.
- An umbo is a raised area in the center of a mushroom cap.
- The apophysis has a marked transverse keel and a blunt umbo.
- The umbo is the most depressed part of the tympanic membrane.
- It features a convex cap measuring across, with a small umbo.
- It is convex, later flat, and with a raised central boss umbo .
- Umbo is the meaning to the meaningless, and the definition to itself.
- The apex of a valve of a bivalve is more usually known as the umbo or beak.