The Collaborative International Dictionary
Retractile \Re*tract"ile\ (r[-e]*tr[=a]kt"[i^]l), a. [Cf. F. -r['e]tractile.] (Physiol.) Capable of retraction; capable of being drawn back or up; as, the claws of a cat are retractile.
Wiktionary
a. That can be retracted (as a cat's claws)
WordNet
adj. capable of retraction; capable of being drawn back; "cats have retractile claws" [ant: nonretractile]
Usage examples of "retractile".
Things that were terrible enough at the time appear to us now as they recede into the past through a thickening, highly retractile veil of grotesqueness and picturesque absurdity.
They moved on twelve stout little legs, each tipped with a pair of retractile claws.
His other modification--his thumbnails had been replaced by retractile talons--had also helped.
They had thought it odd that she had no fingernails, but no one had been prepared for the retractile claws that suddenly one day had broken through the skin on her fingertips.
I guess having ten legs, each with a sliver of retractile claw on the end, is a pretty good substitute for fingers.
She simply waited for the beast to settle himself and set his retractile claws into the leather pad, then moved into a ground-devouring lope.
The first time those retractile ivory claws had made their appearance, in her seventh year, they had gotten her thrown out of her Haunted Lands home.
One of its forelimbs came through the thick cloak of fur, four-fingered paw raised, slashing retractile claws extended, reaching out almost playfully.
The retractile claws, five on the forefeet, four on the hind, were evidence enough, but stronger still was the evidence of those needle teeth.
I have a superb vocabulary (monad, retractile, necropolis, palindrome, antidisestablishmentarianism) and a nonchalant command of all grammatical rules.