operculate

O*per"cu*late, O*per"cu*la`ted, a. Etym: [L. operculatus, p.p. of operculare to furnish with a lid, fr. operculum lid.] 1. (Bot.) Defn: Closed by a lid or cover, as the capsules of the mosses. 2. (Zoöl.) Defn: Having an operculum, or an apparatus for protecting the gills; -- said of shells and of fishes.

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