Scriptura › Dictionary › Preoperculum 1 entry 1 source Preoperculum Open directly Webster's 1828 Dictionary · 1828 Part of speech: noun (n.) The anterior opercular bone in fishes.
1 entry 1 source Preoperculum Open directly Webster's 1828 Dictionary · 1828 Part of speech: noun (n.) The anterior opercular bone in fishes.