Bopeep :: Bopeep (n.) The act of looking out suddenly, as from behind a screen, so as to startle some one (as by children in play), or of looking out and drawing suddenly back, as if frightened..
Subopercular :: Subofficer (n.) An under or subordinate officer.
Subopercular :: Subopercular (a.) Situated below the operculum; pertaining to the suboperculum.