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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.
[1913 Webster]

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.
[1913 Webster]

Myself will mount the rostrum in his favor.
--Addison.
[1913 Webster]

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}.
[1913 Webster]

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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