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The Collaborative International Dictionary
Flag root

Flag \Flag\, n. [From Flag to hang loose, to bend down.] (Bot.) An aquatic plant, with long, ensiform leaves, belonging to either of the genera Iris and Acorus.

Cooper's flag, the cat-tail ( Typha latifolia), the long leaves of which are placed between the staves of barrels to make the latter water-tight.

Corn flag. See under 2d Corn.

Flag broom, a coarse of broom, originally made of flags or rushes.

Flag root, the root of the sweet flag.

Sweet flag. See Calamus, n., 2.