Agaric

Noun

1. Any of various fungi, principally of the order Agaricales, having fruiting bodies consisting of umbrella-like caps, on stalks, with numerous gills beneath.
2. A dried fruiting body of a fungus formerly used in medicine (now Laricifomes officinalis, formerly Fomitopsis officinalis, Fomes officinalis, Polyporus officinalis).