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Webster 1913 Edition

Adj.

[Gr. [GREEK] wing + [GREEK], [GREEK], ear.]

(Anat.)

Of or pertaining to, or designating, a bone between the prootic and epiotic in the dorsal and outer part of the periotic capsule of many fishes.

–

Noun.

The pterotic bone.

☞ The pterotic bone is so called because fancied in some cases to resemble in form a bird’s wing

pterotic ‎(not comparable)

(anatomy) Of or relating to a bone between the prootic and epiotic in the dorsal and outer part of the periotic capsule of many fishes.

pterotic ‎(plural pterotics)