• synonyms


[las-er-til-ee-uh n, -til-yuh n]
  1. belonging or pertaining to the reptilian suborder Lacertilia, comprising the lizards.
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  1. a lacertilian reptile.
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Also la·cer·tian [luh-sur-shuh n] /ləˈsɜr ʃən/.

Origin of lacertilian

1850–55; < New Latin Lacertili(a) (Latin Lacert(a) Lacerta + -ilia, neuter plural of -ilis -ile) + -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for lacertilian

Historical Examples

  • In other words, the body, hind legs, and tail are lacertilian in character.

    Evolution in Art

    Alfred C. Haddon

  • Lizard, liz′ard, n. a family of four-footed scaly reptiles, a saurian or lacertilian.

  • Certain footprints in the coal measures of Kansas have been supposed to belong to lacertilian or dinosaurian forms.

British Dictionary definitions for lacertilian


noun Also: lacertian (ləˈsɜːʃən)
  1. any reptile of the suborder Lacertilia (lizards)
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  1. of, relating to, or belonging to the Lacertilia
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Word Origin

C19: New Latin, from Latin lacerta lizard
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

lacertilian in Science


  1. Relating to or characteristic of lizards and closely related reptiles.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.