• synonyms


adjective Zoology.
  1. capable of being drawn back or in, as the head of a tortoise; exhibiting the power of retraction.
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Origin of retractile

First recorded in 1770–80; retract1 + -ile
Related formsre·trac·til·i·ty [ree-trak-til-i-tee] /ˌri trækˈtɪl ɪ ti/, nounnon·re·trac·tile, adjectivenon·re·trac·til·i·ty, nounsub·re·trac·tile, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for nonretractile


  1. capable of being drawn inthe retractile claws of a cat
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Derived Formsretractility (ˌriːtrækˈtɪlɪtɪ), noun
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

nonretractile in Medicine


(rĭ-trăktĭl, -tīl′)
  1. That can be drawn back or in, as the claws of a cat.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.