Definition of Yperus. Meaning of Yperus. Synonyms of Yperus
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Definition of Yperus
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Cyperus Cyperus Cyp"e*rus (s?p"?-r?s), n. [NL., from Gr. ???? sedge.]
(Bot.)
A large genus of plants belonging to the Sedge family, and
including the species called galingale, several bulrushes,
and the Egyptian papyrus.
Cyperus esculentus Chufa Chu"fa, n. [Sp.] (Bot.)
A sedgelike plant (Cyperus esculentus) producing edible
tubers, native about the Mediterranean, now cultivated in
many regions; the earth almond.
Cyperus longus Galingale Gal"in*gale, n. [See Galangal.] (Bot.)
A plant of the Sedge family (Cyperus longus) having
aromatic roots; also, any plant of the same genus. --Chaucer.
Meadow, set with slender galingale. --Tennyson.
Cyperus Papyrus Papyrus Pa*py"rus, n.; pl. Papyri. [L., fr. Gr. ?. See
Paper.]
1. (Bot.) A tall rushlike plant (Cyperus Papyrus) of the
Sedge family, formerly growing in Egypt, and now found in
Abyssinia, Syria, Sicily, etc. The stem is triangular and
about an inch thick.
2. The material upon which the ancient Egyptians wrote. It
was formed by cutting the stem of the plant into thin
longitudinal slices, which were gummed together and
pressed.
3. A manuscript written on papyrus; esp., pl., written
scrolls made of papyrus; as, the papyri of Egypt or
Herculaneum.
Cyperus rotundus Nut Nut, n. [OE. nute, note, AS. hnutu; akin to D. noot, G.
nuss, OHG. nuz, Icel. hnot, Sw. n["o]t, Dan. n["o]d.]
1. (Bot.) The fruit of certain trees and shrubs (as of the
almond, walnut, hickory, beech, filbert, etc.), consisting
of a hard and indehiscent shell inclosing a kernel.
2. A perforated block (usually a small piece of metal),
provided with an internal or female screw thread, used on
a bolt, or screw, for tightening or holding something, or
for transmitting motion. See Illust. of lst Bolt.
3. The tumbler of a gunlock. --Knight.
4. (Naut.) A projection on each side of the shank of an
anchor, to secure the stock in place.
Check nut, Jam nut, Lock nut, a nut which is screwed up
tightly against another nut on the same bolt or screw, in
order to prevent accidental unscrewing of the first nut.
Nut buoy. See under Buoy.
Nut coal, screened coal of a size smaller than stove coal
and larger than pea coal; -- called also chestnut coal.
Nut crab (Zo["o]l.), any leucosoid crab of the genus
Ebalia as, Ebalia tuberosa of Europe.
Nut grass (Bot.), a plant of the Sedge family (Cyperus
rotundus, var. Hydra), which has slender rootstocks
bearing small, nutlike tubers, by which the plant
multiplies exceedingly, especially in cotton fields.
Nut lock, a device, as a metal plate bent up at the
corners, to prevent a nut from becoming unscrewed, as by
jarring.