a. [f. L. tactu-s touch + -AL: cf. visual.] Of or pertaining to touch; of the nature of or due to touch.
1642. H. More, Song Soul, II. III. I. xxi. Her sight is tactuall, The sunne and all the starres that do appear She feels them in herself.
1678. Cudworth, Intell. Syst., I. iv. § 36. 549. A kind of Tactual Union … with the Centre of the Universe.
1833. Carlyle, Misc. Ess., Cagliostro (1872), V. 68. Thy existence is wholly an Illusion and optical and tactual Phantasm.
1871. Tyndall, Fragm. Sc. (1879), II. ix. 185. In the lowest organisms we have a kind of tactual sense diffused over the entire body.
Hence Tactuality, tactual quality; Tactually adv., in a tactual manner or way.
1858. W. R. Pirie, Inq. Hum. Mind, vii. 398. It is not improbable that we have even a sense of tactuality, if we may so speak, in the secondary sensations.
1855. H. Spencer, Psychol. (1872), I. III. vi. 332. When the combined appliances of touch and muscular sense are fully developed an immense variety of textures can be known tactually.
