Umbo

Definition of Umbo

Um´bo

n.	1.	The boss of a shield, at or near the middle, and usually projecting, sometimes in a sharp spike.
	2.	A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear.
	3.	(Zool.) One of the lateral prominences just above the hinge of a bivalve shell.

Related Words

convex shape, convexity, eardrum, myringa, tympanic membrane, tympanum

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Umbellic acid
Umbellifer
Umbelliferone
Umbelliferous
Umbellularia
Umbellule
Umber
Umbery
Umbilic
Umbilical
Umbilical cord
Umbilical hernia
Umbilical point
Umbilical region
Umbilical vesicle
Umbilicate
Umbilication
Umbilicus
Umble pie
Umbles
-Umbo-
Umbonate
Umbra
Umbra tree
Umbraculiferous
Umbraculiform
Umbrage
umbrageous
Umbrate
Umbratic
Umbratile
Umbratious
Umbre
Umbrel
Umbrella
Umbrella ant
Umbrella bird
Umbrella leaf
Umbrella shell
Umbrella tree
Umbrere

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