Operculate
Operculate , adjective
[Latin operculatus, past participle of operculare to furnish with a lid, from operculum lid.]
1.
(Botany) Closed by a lid or cover, as the capsules of the mosses.
2.
(Zoology) Having an operculum, or an apparatus for protecting the gills; -- said of shells and of fishes.
Also: Operculated