1. The science and art of disposing military and naval forces in order for battle, and performing military
and naval evolutions. It is divided into grand tactics, or the tactics of battles, and elementary tactics, or
the tactics of instruction.
2. Hence, any system or method of procedure.
Tactile sense (Physiol.), the sense of touch, or pressure sense. See Touch.
(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.
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
In the lowest organisms we have a kind of tactual sense diffused over the entire body.Tyndall.
(Tad"pole`) n. [OE. tadde toad (AS. tadie, tadige) + 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,
2. (Zoöl.) The hooded merganser. [Local, U. S.]
Tadpole fish. (Zoöl.) See Forkbeard (a).
(||Tæ"di*um) n. [L.] See Tedium.
(Tael) n. [Malay tal, a certain weight, probably fr. Hind. tola, Skr. tula a balance, weight, tul
to weigh.] A denomination of money, in China, worth nearly six shillings sterling, or about a dollar and
forty cents; also, a weight of one ounce and a third. [Written also tale.]
(Taen or Ta'en), p. p. of Ta, to take, or a contraction of Taken. [Poetic & Scot.] Burns.
(||Tæ"ni*a) n.; pl. Tæniæ [L., a ribbon, a tapeworm.]
1. (Zoöl.) A genus of intestinal worms which includes the common tapeworms of man. See Tapeworm.
2. (Anat.) A band; a structural line; applied to several bands and lines of nervous matter in the brain.
3. (Arch.) The fillet, or band, at the bottom of a Doric frieze, separating it from the architrave.
(||Tæ*ni"a*da) n. pl. [NL.] (Zoöl.) Same as Tænioidea.