• synonyms


  1. an extinct genus of toothed birds having vertebrae resembling those of fishes.
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Origin of Ichthyornis

< New Latin (1872) < Greek ichthy- ichthy- + órnis “bird”
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ichthyornis

Historical Examples

  • Ichthyornis, ik-thi-or′nis, n. a fossil bird with vertebr like those of fishes, and with teeth set in sockets.

    Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)


  • They are of two leading types, of which the Ichthyornis and Hesperornis are the standard specimens.

  • The remarkable “fish-bird” (Ichthyornis) of Marsh is also very reptilian in some of its characters.

  • In Ichthyornis they are also distinct, in all other known birds they are fused together to a greater or less extent.

    The Vertebrate Skeleton

    Sidney H. Reynolds

British Dictionary definitions for ichthyornis


  1. an extinct Cretaceous sea bird of the genus Ichthyornis, thought to have resembled a tern
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Word Origin

C19: New Latin, from ichthy- + Greek ornis bird
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