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rostrum    音标拼音: [r'ɑstrəm]
n. 讲坛,演讲坛

讲坛,演讲坛

rostrum
n 1: a platform raised above the surrounding level to give
prominence to the person on it [synonym: {dais}, {podium},
{pulpit}, {rostrum}, {ambo}, {stump}, {soapbox}]
2: beaklike projection of the anterior part of the head of
certain insects such as e.g. weevils [synonym: {snout},
{rostrum}]

Snout \Snout\ (snout), n. [OE. snoute, probably of Scand, or Low
German origin; cf. LG. snute, D. snuit, G. schnauze, Sw.
snut, snyte, Dan. snude, Icel. sn?ta to blow the nose;
probably akin to E. snuff, v.t. Cf. {Snite}, {Snot},
{Snuff}.]
1. The long, projecting nose of a beast, as of swine.
[1913 Webster]

2. The nose of a man; -- in contempt. --Hudibras.
[1913 Webster]

3. The nozzle of a pipe, hose, etc.
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4. (Zool.)
(a) The anterior prolongation of the head of a gastropod;
-- called also {rostrum}.
(b) The anterior prolongation of the head of weevils and
allied beetles.
[1913 Webster]

{Snout beetle} (Zool.), any one of many species of beetles
having an elongated snout and belonging to the tribe
Rhynchophora; a weevil.

{Snout moth} (Zool.), any pyralid moth. See {Pyralid}.
[1913 Webster]


Rostrum \Ros"trum\ (-tr[u^]m), n.; pl. L. {Rostra}, E.
{Rostrums}. [L., beak, ship's beak, fr. rodere, rosum, to
gnaw. See {Rodent}.]
1. The beak or head of a ship.
[1913 Webster]

2. pl. ({Rostra}) (Rom. Antiq.) The Beaks; the stage or
platform in the forum where orations, pleadings, funeral
harangues, etc., were delivered; -- so called because
after the Latin war, it was adorned with the beaks of
captured vessels; later, applied also to other platforms
erected in Rome for the use of public orators.
[1913 Webster]

3. Hence, a stage for public speaking; the pulpit or platform
occupied by an orator or public speaker.
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Myself will mount the rostrum in his favor.
--Addison.
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4. (Zool.)
(a) Any beaklike prolongation, esp. of the head of an
animal, as the beak of birds.
(b) The beak, or sucking mouth parts, of Hemiptera.
(c) The snout of a gastropod mollusk. See Illust. of
{Littorina}.
(d) The anterior, often spinelike, prolongation of the
carapace of a crustacean, as in the lobster and the
prawn.
[1913 Webster]

5. (Bot.) Same as {Rostellum}.
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6. (Old Chem.) The pipe to convey the distilling liquor into
its receiver in the common alembic. --Quincy.
[1913 Webster]

7. (Surg.) A pair of forceps of various kinds, having a
beaklike form. [Obs.] --Coxe.
[1913 Webster]


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  • Rostrum (anatomy) - Wikipedia
    Rostrum (from Latin rostrum, meaning beak) is a term used in anatomy for several kinds of hard, beak -like structures projecting out from the head or mouth of an animal
  • ROSTRUM Definition Meaning | Dictionary. com
    ROSTRUM definition: any platform, stage, or the like, for public speaking See examples of rostrum used in a sentence
  • ROSTRUM Definition Meaning - Merriam-Webster
    To celebrate a great naval victory, the Romans gathered the beaks of the losers' ships They hung them in back of the speaker's platform in the Forum in Rome The Latin word for the ship's beak was rostrum The plural, rostra, soon came to be used for the speaker's platform
  • ROSTRUM | definition in the Cambridge English Dictionary
    ˈrɑs·trəm Add to word list a podium (Definition of rostrum from the Cambridge Academic Content Dictionary © Cambridge University Press)
  • ROSTRUM definition and meaning | Collins English Dictionary
    A rostrum is a raised platform on which someone stands when they are speaking to an audience, receiving a prize, or conducting an orchestra As he stood on the winner's rostrum, he sang the words of the national anthem
  • Rostrum - definition of rostrum by The Free Dictionary
    lectern, podium, dais, rostrum - A lectern is the stand on which the speaker's notes are placed, the podium is the platform on which the speaker and lectern stand, a dais is a platform for several people, and a rostrum is a platform for one or more
  • rostrum - Wiktionary, the free dictionary
    Noun rostrum (plural rostra or rostrums) A dais, pulpit, or similar platform for a speaker, conductor, or other performer Synonyms: dais, pulpit
  • rostrum noun - Definition, pictures, pronunciation and usage notes . . .
    Definition of rostrum noun in Oxford Advanced Learner's Dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more
  • Rostrum | anatomy | Britannica
    …dangerous, but their saws (or rostrums), constituting as much as one-third their total length, can be formidable The saws are used in feeding, in digging out bottom animals, and, when lashed about, in killing or maiming schooling fishes These structures also contain electroreceptors called ampullae of Lorenzini, which can detect…
  • What does rostrum mean? - Definitions. net
    A rostrum is a platform or podium raised for public speaking or making an official announcement It can also refer to a beak-like projection in certain animals, especially a beak-like prolongation of the head or cephalothorax of various insects, crustaceans, and the snout of dolphins or sharks





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