- capable of being drawn back or in, as the head of a tortoise; exhibiting the power of retraction.
Origin of retractile
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for retractile
Tentacular -um: retractile processes on the larvae of Lepidoptera.Explanation of Terms Used in Entomology
John. B. Smith
The tongue of some Hymenoptera also is retractile within the mouth.
In Stenus this organ is retractile, and consists of two joints.
The vermiform and retractile tongue is also a most singular organ.Reptiles and Birds
The claws are not retractile, or at most semi-retractile as in the Panda.The Cambridge Natural History, Vol X., Mammalia
Frank Evers Beddard
- capable of being drawn inthe retractile claws of a cat
- 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.