Rostrum definition

rŏstrəm, rôstrəm
A dais, pulpit, or other elevated platform for public speaking.
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(biology) A beaklike projection, especially:
  • An anterior projection of an insect's or an arachnid's mouthparts, of the upper jaw of a cetacean, or of the cephalothorax of a crustacean.
  • A beaklike projection of a plant part, as the fruit of a geranium.
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The curved, beaklike prow of an ancient Roman ship, especially a war galley.
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The speaker's platform in an ancient Roman forum, which was decorated with the prows of captured enemy ships.
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In ancient Rome,
  • A curved, beaklike projection at the prow of a ship; esp., such a projection on a war galley, used for ramming enemy vessels; beak.
  • The speakers' platform in the Forum, decorated with such beaks taken from captured ships.
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(biol.) A beak or beaklike part.
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Any platform, stage, etc. for public speaking.
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Public speaking, or public speakers collectively.
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A dais, pulpit, or similar platform for a speaker, conductor or other performer.
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A platform for a film or television camera.
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The projecting prow of a rowed warship, such as a trireme.
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(zoology) The beak shaped projection on the head of insects such as weevils.
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The snout of a dolphin.
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A beaklike or snoutlike projection.
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Other Word Forms

Noun

Singular:
rostrum
Plural:
rostra, rostrums

Origin of rostrum

  • Latin rōstrum beak rēd- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin rōstrum, from rōdō (“gnaw"). The pulpit sense is a back-formation from the name of the Roman Rōstra, the platforms in the Forum where politicians made speeches. The Rōstra were decorated with (named f) the beaks (prows) of ships from naval victories.

    From Wiktionary