'Tactual' definitions:

Definition of 'tactual'

adjective

Of or relating to or proceeding from the sense of touch; "haptic data"; "a tactile reflex" [syn: haptic, tactile, tactual]

adjective

Producing a sensation of touch; "tactile qualities"; "the tactual luxury of stroking silky human hair" [syn: tactile, tactual]

From: GCIDE

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]