• synonyms


  1. furnished with a rostrum.
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Often ros·trat·ed.

Origin of rostrate

1350–1400; < Latin rōstrātus having a beak, curved at the end, equivalent to rōstr(um) rostrum + -ātus -ate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rostrate

Historical Examples of rostrate

  • Rostrate, bearing a beak (Rostrum) or a prolonged appendage.

    The Elements of Botany

    Asa Gray

  • Promuscis: an extended mouth structure: has been applied to the long tongue of bees and to the rostrate structure in Hemiptera.

  • Rostrate: the head, when it has a long protraction bearing the mouth parts.

  • Valve lanceolate, with produced or rostrate apices; pseudo-nodule wide, excentric.

  • Valve linear with rostrate apices; cost robust; stri delicate, 20 in 10 .

British Dictionary definitions for rostrate


  1. biology having a beak or beaklike process
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

rostrate in Medicine


(rŏstrāt′, -trĭt)
  1. Having a beaklike part.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.