Bible Dictionaries
Pterotic

Webster's Dictionary

(1):

(n.) The pterotic bone.

(2):

(a.) 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.

Bibliography Information
Webster, Noah. Entry for 'Pterotic'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/pterotic.html. 1828.