Entry 1 sense Webster, 1913 Retractile /(rē̇*trākt"ĭl)/ · Re·tract·ile · IPA 01 a. Capable of retraction; capable of being drawn back or up; as, the claws of a cat are retractile. 1. Capable of retraction; capable of being drawn back or up; as, the claws of a cat are retractile.(Physiol.)