Bible Dictionaries
Preopercular

Webster's Dictionary

(1):

(a.) Situated in front of the operculum; pertaining to the preoperculum.

(2):

(n.) The preoperculum.

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