Chisocheton medusae is a tree in the family Meliaceae. The specific epithet ' refers to the mythological Medusa and alludes to the shape of the flower petals.
The tree grows up to tall with a trunk diameter of up to . The bark is black. The flowers are white. The fruits are golden-brown, up to in diameter.
Chisocheton medusae is endemic to Borneo. The habitat is lowland rain forests from sea-level to altitude.