Word Study
pterotic
CIDE DICTIONARY
pterotic, a. [Gr. wing + , , ear.].
Of or pertaining to, or designating, a bone between the proötic and epiotic in the dorsal and outer part of the periotic capsule of many fishes. [1913 Webster]
" The pterotic bone is so called because fancied in some cases to resemble in form a bird's wing"
[1913 Webster]
For further exploring for "pterotic" in Webster Dictionary Online
