1) Having an operculum 2) Operculate 3) Plate 1) Operculate 
• (a.) Closed by a lid or cover, as the capsules of the mosses. • (a.) Having an operculum, or an apparatus for protecting the gills; -- said of shells and of fishes.
Type: Term Pronunciation: ō-per′kyū-lāt-ĕd Definitions: 1. Provided with a lid (operculum); denoting members of the mollusk class Gastropoda (snails), subclass Prosobranchiata (operculate snails), and the eggs of certain parasitic worms such as the digenetic trematodes (except the schistosomes) and the broad fish tapeworm,...