Is “Sedge” a Scrabble word?

1.Any plant of the genus Carex, the true sedge, perennial, endogenous herbs, often growing in dense tufts in marshy places. They have triangular jointless stems, a spiked inflorescence, and long grasslike leaves which are usually rough on the margins and midrib. There are several hundred species.

2.Any plant of the family Cyperaceae.

3.Certain other plants resembling sedges, such as Gentiana rubricaulis and Andropogon virginicus.