TACTION
Tac"tion, n. Etym: [L. tactio, from tangere, tactum, to touch.]
Defn: The act of touching; touch; contact; tangency. "External taction." Chesterfield.
TACTLESS
Tact"less, a.
Defn: Destitute of tact.
TACTUAL
Tac"tu*al, a. Etym: [See Tact.] (Physiol.)
Defn: 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.
TADPOLE Tad"pole`, n. Etym: [OE. tadde toad (AS. tadie, tadige) + poll; properly, a toad that is or seems all head. See Toad, and Poll.]
1. (Zoöl.)
Defn: 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.
2. (Zoöl.)