[aga.ric] n [L agaricum, a fungus, fr. Gk agarikon] (15c) 1: the dried fruiting body of a fungus (Fomes officinalis syn. Polyporus officinalis) formerly used in medicine
2: any of a family (Agaricaceae) of fungi with the sporophore usu. resembling an umbrella and with numerous gills on the underside of the cap