'Retractile' definitions:

Definition of 'retractile'

(from WordNet)
adjective
Capable of retraction; capable of being drawn back; "cats have retractile claws" [ant: nonretractable, nonretractile]

Definition of 'Retractile'

From: GCIDE
  • 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. [1913 Webster]