retractile

Capable of being drawn back or in.

Retractable; capable of being retracted, drawn back, or drawn in after protraction or protrusion: correlated with protractile or protrusile, of which it is the opposite: as, the retractile claws of felines: the retractile head of a tortoise; the retractile horns or feelers of a snail: especially applied in entomology to parts, as legs or antennæ, which fold down or back into other parts which are hollowed to receive them.

Retractive.

Synonyms Retracted, Retractile. A retracted part is permanently drawn in or back, and fixed in such position that it cannot be protracted or protrnded. A retractile part is also protractile or protrusile, and capable of retraction when it has been protracted.

Capable of retraction; capable of being drawn back or up.

That can be retracted (as a cat’s claws)

capable of retraction; capable of being drawn back