معنی کلمه :‌ heterocercy

Unequal development of the tail lobes of fishes; the possession of a heterocercal tail.

The face, countenance, or look of a person or an animal; -- chiefly applied to the human face. Chaucer. "A visage of demand." Shak. His visage was so marred more than any man. Isa. lii. 14. Love and beauty still that visage grace. Waller. To face. [Obs.] Chaucer.