Source : Webster's Revised Unabridged Dictionary (1913)

Tractile \Tract"ile\, a. [L. trahere, tractum, to draw.]
   Capable of being drawn out in length; ductile. --Bacon.

Source : WordNet®

tractile
     adj : capable of being shaped or bent or drawn out; "ductile
           copper"; "malleable metals such as gold"; "they soaked
           the leather to made it pliable"; "pliant molten glass";
           "made of highly tensile steel alloy" [syn: {ductile}, {malleable},
            {pliable}, {pliant}, {tensile}]