water flag

American  

noun

1. a European iris, Iris pseudacorus, naturalized throughout eastern North America, with blue-green leaves and violet-veined, yellow flowers and growing in moist places.

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Etymology

Origin of water flag

First recorded in 1570–80

Example Sentences

O my crutch, is it not autumn when the fern is red and the water flag yellow?

From Project Gutenberg

One at least was just tasting the first sweet illusion of love, and the glassy surface of the water that reflected the trees bending over it, the bunches of water flag growing here and there, and the scattered patches of broad lily pads with now and then a white blossom, made a most picturesque background for the girl who sat in the stern.

From Project Gutenberg

The Yellow Flag, or Water Flag, is called in the north, "Seggs."

From Project Gutenberg