earthstar

noun
earth·​star | \ ˈərth-ˌstär How to pronounce earthstar (audio) \

Definition of earthstar

: any of a genus (Geastrum) of globose basidiomycetous fungi with an outer peridium that splits into the shape of a star

First Known Use of earthstar

1828, in the meaning defined above

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The first known use of earthstar was in 1828

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