umbonate

[uhm-buh-nit, -neyt]
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adjective

having an umbo or projecting boss.
shaped like an umbo; having a rounded convex form: an umbonate fungus.

Origin of umbonate

1820–30; < Latin umbōn- (stem of umbō; see umbo) + -ate1
Related formssub·um·bo·nate, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for umbonate

Historical Examples of umbonate