Sedge
Sedge , noun
[Old English segge, Anglo-Saxon secg; akin to LG. segge; -- probably named from its bladelike appearance, and akin to Latin secare to cut, English saw a cutting instrument; compare Ir. seisg, Welsh hesg. Compare Hassock, Saw the instrument.]
1.
(Botany) Any plant of the genus Carex, perennial, endogenous, innutritious 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.
The name is sometimes given to any other plant of the order Cyperaceae, which includes Carex, Cyperus, Scirpus, and many other genera of rushlike plants.
2.
(Zoology) A flock of herons.
Collocations (2)
Sedge warbler (Zoology) , a small European singing bird (Acrocephalus phragmitis). It often builds its nest among reeds; -- called also sedge bird, sedge wren, night warbler, and Scotch nightingale.