O*per"cu*late (?), O*per"cu*la`ted (?), a. [L. operculatus, p.p. of operculare to furnish with a lid, fr. operculum lid.]

1. Bot.

Closed by a lid or cover, as the capsules of the mosses.

2. Zool.

Having an operculum, or an apparatus for protecting the gills; -- said of shells and of fishes.


© Webster 1913.

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