The Collaborative International Dictionary of English v.0.48:

Tactile \Tac"tile\, a. [L. tactilis, fr. tangere, tactum, to
   touch: cf. F. tactile.]
   Of or pertaining to the organs, or the sense, of touch;
   perceiving, or perceptible, by the touch; capable of being
   touched; as, tactile corpuscles; tactile sensations. "Tactile
   sweets." --Beaumont. "Tactile qualities." --Sir M. Hale.
   [1913 Webster]

   Tactile sense (Physiol.), the sense of touch, or pressure
      sense. See Touch.
      [1913 Webster]

            The delicacy of the tactile sense varies on
            different parts of the skin; it is geatest on the
            forehead, temples and back of the forearm. --H. N.
                                                  Martin.
      [1913 Webster]

WordNet (r) 3.0 (2006):

tactile
    adj 1: of or relating to or proceeding from the sense of touch;
           "haptic data"; "a tactile reflex" [syn: haptic,
           tactile, tactual]
    2: producing a sensation of touch; "tactile qualities"; "the
       tactual luxury of stroking silky human hair" [syn: tactile,
       tactual]