Puffball-like fungus

• In form suggesting a puffball whose outer peridium splits into the shape of a star
• Any fungus of the family Geastraceae

Wikipedia Word definitions in Wikipedia
Earthstar may refer to: Geastraceae , family of mushrooms Earthstar (band) , 1970s and 1980s American band

WordNet Word definitions in WordNet
n. any fungus of the family Geastraceae; in form suggesting a puffball whose outer peridium splits into the shape of a star

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Earthstar \Earth"star`\, n. (Bot.) A curious fungus of the genus Geaster , in which the outer coating splits into the shape of a star, and the inner one forms a ball containing the dustlike spores.

Wiktionary Word definitions in Wiktionary
n. A type of puffball mushroom, of genus (taxlink Geastrum genus noshow=1), whose surface splits open in a star-shaped form.