Definition of liberty cap in English:

liberty cap

Pronunciation /ˈlibərdē kap/ /ˈlɪbərdi kæp/

See synonyms for liberty cap


  • 1A common small European toadstool which has a grayish-brown cap with a distinct boss and a long, thin stem, containing the hallucinogen psilocybin.

    Psilocybe semilanceata, family Strophariaceae, class Hymenomycetes

  • 2

    another term for cap of liberty