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retractile

[ri-trak-til] /rɪˈtræk tɪl/
adjective, Zoology
1.
capable of being drawn back or in, as the head of a tortoise; exhibiting the power of retraction.
Origin
1770-1780
1770-80; retract1 + -ile
Related forms
retractility
[ree-trak-til-i-tee] /ˌri trækˈtɪl ɪ ti/ (Show IPA),
noun
nonretractile, adjective
nonretractility, noun
subretractile, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for retractile
  • Each foot has five toes with curved, semi-retractile claws used for digging and climbing.
  • retractile testes do not need any form of treatment except observation as they can become ascendant.
British Dictionary definitions for retractile

retractile

/rɪˈtræktaɪl/
adjective
1.
capable of being drawn in: the retractile claws of a cat
Derived Forms
retractility (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
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retractile in Medicine

retractile re·trac·tile (rĭ-trāk'tĭl, -tīl')
adj.
That can be drawn back or in, as the claws of a cat.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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