1) Capable of being drawn back 2) Capable of retraction 3) Retractable 1) Retractable 
• (a.) Capable of retraction; capable of being drawn back or up; as, the claws of a cat are retractile.
(re-trak´til) able to be drawn back.
Re·tract'ile adjective [ Confer French - rétractile .] (Physiol.) Capable of retraction; capable of being drawn back or up; as, the claws of a cat are retractile . 
Type: Term Pronunciation: rē-trak′til Definitions: 1. Retractable; capable of being drawn back.
[adj] - capable of retraction
adjective capable of retraction; capable of being drawn back; `cats have retractile claws`