Champignon
Pronunciation : Cham*pi"gnon
Part of Speech : n.
Etymology : [F., a mushroom, ultimately fr. L. campus field. See Camp.] (Bot.)
Definition : Defn: An edible species of mushroom (Agaricus campestris). Fairy ring champignon, the Marasmius oreades, which has a strong flavor but is edible.
Source : Webster's Unabridged Dictionary, 1913