From The Collaborative International Dictionary of English v.0.48 :
Tactual \Tac"tu*al\, a. [See Tact.] (Physiol.)
Of or pertaining to the sense, or the organs, of touch;
derived from touch.
[1913 Webster]
In the lowest organisms we have a kind of tactual sense
diffused over the entire body. --Tyndall.
[1913 Webster]
From WordNet (r) 3.0 (2006) :
tactual
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]