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[ros-truh l]
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  1. of or relating to a rostrum.

Origin of rostral

1700–10; < Late Latin rōstrālis, equivalent to Latin rōstr(um) rostrum + -ālis -al1
Related formsros·tral·ly, adverbpost·ros·tral, adjectivesub·ros·tral, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rostral

Historical Examples

  • Rostral: pertaining or attached to a rostrum; specifically of Hemiptera.

    Explanation of Terms Used in Entomology

    John. B. Smith

  • Near this, the base of the rostral column, Colonna Duilia, has been found.

    Walks in Rome

    Augustus J.C. Hare

  • This process is known as the tracheal process, or rostral cartilage.

  • Ratio of rostral depth to distance between middle of interparietal and lower rim of audital bulla, 50.

  • A rostral pillar is a column ornamented with such beaks or prows, which were, in the Roman language, called rostra.


    Jacob Abbott

British Dictionary definitions for rostral


  1. biology of or like a beak or snout
  2. adorned with the prows of shipsa rostral column
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

Word Origin and History for rostral


c.1400, from Late Latin rostralis, from Latin rostrum "beak" (see rostrum).

Online Etymology Dictionary, © 2010 Douglas Harper