What is "matsutake"

n. A kind of mushroom, ''Tricholoma matsutake''.

Matsutake (Chinese & Japanese:松茸, pine mushroom, Tricholoma matsutake = syn. T. nauseosum) is the common name for a highly sought-after mycorrhizal mushroom that grows in Asia, Europe, and North America. It is prized by the Japanese and Chinese for its distinct spicy-aromatic odor.