retractile


From The Collaborative International Dictionary of English v.0.48:

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]
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