(Bot.) A fungus of the genus Agaricus, of many species, of which the common mushroom is an example.
2.
An old name for several species of Polyporus, corky fungi growing on decaying wood. Note: The "female agaric" (Polyporus officinalis) was renowned as a cathartic; the "male agaric" (Polyporus igniarius) is used for preparing touchwood, called punk or German tinder.
Agaric mineral, a light, chalky deposit of carbonate of lime, sometimes called rock milk, formed in caverns or fissures of limestone.
... impurpurate glows! The sopped sun—toper as ever drank hard - Stares foolish, hazed, Rubicund, dazed, Totty with thine October tankard. Tanned maiden! with cheeks like apples russet, And breast a brown agaric faint-flushing at tip, And a mouth too red for the moon to buss it, But her cheek unvow its vestalship; Thy mists enclip Her steel-clear circuit illuminous, Until it crust Rubiginous With the glorious gules of a glowing rust. Far other saw we, other indeed, ... — Poems • Francis Thompson