What is the meaning of Champignon?

Agaricus bisporus, a species of mushroom commonly used in cooking.

Any mushroom.

champignon

a champignon, a button mushroom, Agaricus bisporus

mushroom

fungus in general

fungal infection

accelerator pedal

champignon, button mushroom, crimini (Agaricus bisporus)

alternative form of sjampinjong

champignon (Agaricus bisporus, a small, edible mushroom)

Source: wiktionary.org