'Hypoaria' definitions:

Definition of 'Hypoaria'

From: GCIDE

Hypoarion \Hy`po*a"ri*on\, n.; pl. Hypoaria. [NL., fr. Gr. "ypo` beneath + ? a little egg.] (Anat.) An oval lobe beneath each of the optic lobes in many fishes; one of the inferior lobes. --Owen. [1913 Webster]