The definition of an epicanthus is a small fold of skin on the upper eye.
An example of an epicanthus is a fold above the eye that covers the inner eye of an individual with Down syndrome.
a small normal fold of skin from the upper eyelid sometimes covering the inner corner of the eye, as in many Asian peoples: also occurs with certain abnormal conditions, as Down syndrome
Origin of epicanthusepi- + canthus
See epicanthic fold.
Origin of epicanthusNew Latin epi- canthus