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.
Tactile sense (Physiol.), the sense of touch, or pressure sense. See
Touch.
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.
Tac*til"i*ty (?), n. [Cf. F. tactilité.] The quality or state of being
tactile; perceptibility by touch; tangibleness.
Tac"tion (?), n. [L. tactio, from tangere, tactum, to touch.] The act
of touching; touch; contact; tangency. "External taction."
Chesterfield.
Tact"less (?), a. Destitute of tact.
Tac"tu*al (?), a. [See Tact.] (Physiol.) Of or pertaining to the sense,
or the organs, of touch; derived from touch.
In the lowest organisms we have a kind of tactual sense diffused over
the entire body.
Tyndall.
Tad"pole` (?), n. [OE. tadde toad (AS. tdie, tdige) + poll; properly, a
toad that is or seems all head. See Toad, and Poll.] 1. (Zoöl.) The
young aquatic larva of any amphibian. In this stage it breathes by
means of external or internal gills, is at first destitute of legs, and
has a finlike tail. Called also polliwig, polliwog, porwiggle, or
purwiggy.