canthus(n = noun.body) - either of the corners of the eye where the upper and lower eyelids meet;
is a kind of corner
is a part of eye, oculus, optic
has particulars: nasal canthus, temporal canthus
The corner where the upper and under eyelids meet on each side of the eye. [1913 Webster]
canthus, n. (pl. canthi) the outer or inner corner of the eye, where the upper and lower lids meet.
Etymology:
L f. Gk kanthos