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earthstar

American  
[urth-stahr] / ˈɜrθˌstɑr /

noun

  1. a fungus of the genus Geaster, having an outer covering that splits into the form of a star.

  2. any of various bromeliads of the genus Cryptanthus, native to Brazil, having rosettes of stiff, prickly leaves.


earthstar British  
/ ˈɜːθˌstɑː /

noun

  1. any of various basidiomycetous saprotrophic woodland fungi of the genus Geastrum, whose brown onion-shaped reproductive body splits into a star shape to release the spores

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of earthstar

First recorded in 1810–20; earth + star

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