Having the property of contracting.
* * *
con·trac·tile kən-'trak-təl, -.tīl adj having or concerned with the power or property of contracting <\contractile proteins of muscle fibrils>
* * *
con·trac·tile (kən-trakґtīl) [con- + L. trahere to draw] having the power or tendency to contract in response to a suitable stimulus.Medical dictionary. 2011.