Anglo-Irish. [Cf. FLAG sb.1; also FLIGGER and OF. flechiere, flequiere, flagiere water plants, flags collectively.] = FLAG sb.1

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1842.  S. Lover, Handy Andy, xv. On reaching their point of destination, which was where the river was less rapid, and its banks sedgy and thickly grown with flaggers and bulrushes, the sport of spearing for eels commenced.

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1843.  Lever, J. Hinton, xx. Seated on the deck, watching with a Dutchman’s apathy the sedgy banks, whose tall flaggers bow their heads beneath the ripple that eddies from the bow.

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