Definition of fairies' bonnets in English:

fairies' bonnets

plural noun

  • A small toadstool with a grooved, yellowish-brown, thimble-shaped cap, growing in large clusters on rotten wood or in soil.

    Coprinus disseminatus, family Coprinaceae, class Hymenomycetes

    • ‘Though Fairies Bonnets (Coprinus disseminatus) do not turn to ink as they mature, they are thought to be closely associated to Ink Caps.’
    • ‘Fairies' bonnets, also known as Fairy Inkcap, can be found in large numbers growing on dead wood.’