Bible Dictionaries
Operculated

Webster's Dictionary

(1):

(a.) Closed by a lid or cover, as the capsules of the mosses.

(2):

(a.) Having an operculum, or an apparatus for protecting the gills; - said of shells and of fishes.

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