agaric

noun2

1. •
   Any of various fungi, principally of the order Agaricales, having fruiting bodies consisting of umbrella-like caps, on stalks, with numerous gills beneath.

   • Nobody cares for planting the poor fungus: so she shakes down from the gills of one agaric countless spores, any one of which, being preserved, transmits new billions of spores to-morrow or next day. — 1844
2. •
   A dried fruiting body of a fungus formerly used in medicine (now Laricifomes officinalis, formerly Fomitopsis officinalis, Fomes officinalis, Polyporus officinalis).