Definition of sedges:
(n) :
Any plant of the family Cyperaceae.
(n) :
Any plant of the genus Carex, the true sedges; perennial herbs with triangular jointless stems, a spiked inflorescence, and long grass-like leaves which are usually rough on the margins and midrib.
(n) :
Any of various other plants resembling true sedges, such as Gentiana rubricaulis and Andropogon virginicus.
(n) :
(fishing) A dry fly used in fly fishing, designed to resemble a sedge or caddis fly.
(n) :
A flock of herons, cranes, or bitterns.
(n) :
Obsolete spelling of siege. [Military action.]