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barrier reef
(encz) | barrier reef,bariérový útes |
Barrier reef
(gcide) | Barrier \Bar"ri*er\, n. [OE. barrere, barere, F. barri[`e]re,
fr. barre bar. See Bar, n.]
1. (Fort.) A carpentry obstruction, stockade, or other
obstacle made in a passage in order to stop an enemy.
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2. A fortress or fortified town, on the frontier of a
country, commanding an avenue of approach.
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3. pl. A fence or railing to mark the limits of a place, or
to keep back a crowd.
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No sooner were the barriers opened, than he paced
into the lists. --Sir W.
Scott.
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4. Any obstruction; anything which hinders approach or
attack. "Constitutional barriers." --Hopkinson.
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5. Any limit or boundary; a line of separation.
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'Twixt that [instinct] and reason, what a nice
barrier! --Pope.
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Barrier gate, a heavy gate to close the opening through a
barrier.
Barrier reef, a form of coral reef which runs in the
general direction of the shore, and incloses a lagoon
channel more or less extensive.
To fight at barriers, to fight with a barrier between, as a
martial exercise. [Obs.]
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barrier reef
(wn) | barrier reef
n 1: a long coral reef near and parallel to the shore |
| | podobné slovo | definícia |
barrier reef
(encz) | barrier reef,bariérový útes |
barrier reefs
(gcide) | Coral \Cor"al\, n. [Of. coral, F, corail, L. corallum, coralium,
fr. Gr. kora`llion.]
1. (Zool.) The hard parts or skeleton of various Anthozoa,
and of a few Hydrozoa. Similar structures are also formed
by some Bryozoa.
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Note: The large stony corals forming coral reefs belong to
various genera of Madreporaria, and to the hydroid
genus, Millepora. The red coral, used in jewelry, is
the stony axis of the stem of a gorgonian ({Corallium
rubrum}) found chiefly in the Mediterranean. The {fan
corals}, plume corals, and sea feathers are species
of Gorgoniacea, in which the axis is horny.
Organ-pipe coral is formed by the genus Tubipora, an
Alcyonarian, and black coral is in part the axis of
species of the genus Antipathes. See Anthozoa,
Madrepora.
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2. The ovaries of a cooked lobster; -- so called from their
color.
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3. A piece of coral, usually fitted with small bells and
other appurtenances, used by children as a plaything.
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Brain coral, or Brain stone coral. See under Brain.
Chain coral. See under Chain.
Coral animal (Zool.), one of the polyps by which corals are
formed. They are often very erroneously called {coral
insects}.
Coral fish. See in the Vocabulary.
Coral reefs (Phys. Geog.), reefs, often of great extent,
made up chiefly of fragments of corals, coral sands, and
the solid limestone resulting from their consolidation.
They are classed as fringing reefs, when they border the
land; barrier reefs, when separated from the shore by a
broad belt of water; atolls, when they constitute
separate islands, usually inclosing a lagoon. See Atoll.
Coral root (Bot.), a genus (Corallorhiza) of orchideous
plants, of a yellowish or brownish red color, parasitic on
roots of other plants, and having curious jointed or
knotted roots not unlike some kinds of coral. See Illust.
under Coralloid.
Coral snake. (Zo)
(a) A small, venomous, Brazilian snake {(Elaps
corallinus)}, coral-red, with black bands.
(b) A small, harmless, South American snake ({Tortrix
scytale}).
Coral tree (Bot.), a tropical, leguminous plant, of several
species, with showy, scarlet blossoms and coral-red seeds.
The best known is Erythrina Corallodendron.
Coral wood, a hard, red cabinet wood. --McElrath.
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barrier reef
(wn) | barrier reef
n 1: a long coral reef near and parallel to the shore |
great barrier reef
(wn) | Great Barrier Reef
n 1: the largest coral reef in the world; in the Coral Sea off
the northeastern coast of Australia |
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