noun, plural ep·i·can·thi [ep-i-kan-thahy, -thee] /ˌɛp ɪˈkæn θaɪ, -θi/. Anatomy.
- a fold of skin extending from the eyelid over the inner canthus of the eye, common among Mongoloid peoples.
noun plural -thi (-θaɪ)
- a fold of skin extending vertically over the inner angle of the eye: characteristic of Mongolian peoples and a congenital anomaly among other racesAlso called: epicanthic fold