noun

• 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.
• Any plant of the family Cyperaceae.
• Any of certain other plants resembling sedges, such as Gentiana rubricaulis and Andropogon virginicus.
• (fishing) A dry fly used in fly fishing, designed to resemble a sedge or caddis fly.
• A flock of herons, cranes, or bitterns.
• Obsolete spelling of siege [(heading) Military action.]