Canthus

‖

Can′thus

,

Noun.

;

pl.

Canthi

(#)

.

[NL., fr. Gr. [GREEK].]

(Anat.)

The corner where the upper and under eyelids meet on each side of the eye.

,

Noun.

An angle of the eye; a cavity at the extremities of the eyelids; the greater is next to the nose; the lesser, near the temple.

canthus ‎(plural canthi)

(anatomy) Either corner of the eye, where the eyelids meet.
- 1955, Vladimir Nabokov, Lolita:
  the lowly East with its deer head (dark trace of long tear at inner canthus
- 2015 August 26, “Effects of Relaxing Music on Mental Fatigue Induced by a Continuous Performance Task: Behavioral and ERPs Evidence”, in PLOS ONE, DOI:10.1371/journal.pone.0136446:
  A ground electrode located between Fpz and Fz. The electro-oculogram (EOG) was recorded bipolarly from two electrodes placed at the outer canthi of the right eye and below the left eye.

corner of the eye, where the eyelids meet