chaga

noun

A parasitic fungus of trees, usually birch, found on the circumboreal region of the Northern hemisphere, Inonotus obliquus.

The chaga is a parasitic fungus that grows on trees.

意味（1）

A parasitic fungus of trees, usually birch, found on the circumboreal region of the Northern hemisphere, Inonotus obliquus.

意味（2）

The irregular conk of this fungus, used in East European folk medicine to treat a number of conditions.