TAG 6 



In the absence of fever, it differs from 

 atrophy, and in the absence of cough and 

 spitting, from phthisis. 



TAB'LATCRE.Lat. tabiila, table. Intrinsic, 

 the use of letters or other characters, for 

 expressing the notes of a composition. 



TA'BLE. 1. In mathematics, a system of 

 numbers calculated, to be ready for ex- 

 pediting various computations. Thus 

 there are logarithmic tables, tables of 



powers and roots, <&c. 2. Astronomical 



tables are computations of the motions, 

 places, and other phenomena of the 



planets. 3. In architecture, &c. (see 



TABLE, TABLET). 4. In physical geo- 

 graphy, table land is an extensive seres 

 of planes, with steep acclivities on every 

 side. 



TA'BLE. 1 1. In architecture, a flat surface, 

 TA'BLET.J generally rectangular, charged 

 with an ornamental figure. A table 

 which projects from the naked wall is 

 termed a raised table; when it is perpen- 

 dicular to the horizon it is a raking table; 

 and when the surface is rough it is a 

 rustic table. A corbel table is a horizontal 

 ornament, used for a cornice in Gothic 

 buildings. 2. A table of glass is the ori- 

 ginal circular plate before it is cut, of 



which 24 make a case. 3. Tablet is also 



used by Rickman to denote projecting 

 mouldings or strings, among which he 

 includes the cornice and drip-stone. 



TA'BLINO. Among Scotch builders, is used 

 to designate the coping of very common 

 houses. 



TABOO'. A term most extensively used 

 throughout the islands of the Pacific 

 Ocean, to denote a kind of religious in- 

 terdiction, during which all intercourse 

 with persons, places, or things, is tabooed 

 or prohibited. 



TA'BOB, ) Tabourine. A small drum 



TA'BOTJR. ) used as an accompaniment to 

 a fife or pipe. The term is French, and 

 is the same which in some languages is 

 written tambour and timbrel. The atabal 

 of the Spaniards is of the same family. 



TAB'ULAR, Lat. tabularis, from tabula, 

 a table. Having a flat square surface like 

 a table, formed in large plates or laminae. 

 A tabular crystal is one in which the 

 prism is very short. Tabular spar is a 

 silicate of lime, which occurs crystallized 

 in rectangular four-sided tables. It occurs 

 in primary rocks, in Norway, and some 

 other places. 



TACAMAHAC'CA, ) 1. A resinous substance, 



TA'MAHACA. / of a yellowish brown 

 colour, slightly aromatic taste, and frag- 

 rant smell ; obtained from the Fagara 

 octandra, a tree which grows in South 

 America, Madagascar, and the "West In- 

 dies. The name is of Indian origin. 



2. Tacamahac in the lump is supposed by 

 some to be the produce of the Popvlut 

 balsamifera, a tree of North America, 



J9 TAE 



often planted in our gardens, as an orna- 

 ment, and commonly called 2'acamahac. 



TA'CET, Lat. taceo, silence. In mutic, a 

 term denoting silence. 



TACHOM'ETER, from TOS, speed, and 

 ftiTgef, measure. An instrument for in- 

 dicating minute variations in the velocity 

 of machines. 



TACHYPE'TES. The generic name given 

 by Vieillot to the frigate bird, the Peli- 

 canus aquilus, Lin. This bird is parti- 

 cularly remarkable for the strength and 

 length of its wings (10 to 12 feet when 

 expanded). It flies to immense distances 

 from all land, principally between the 

 tropics, darting upon the flying fish, and 

 striking the boobies to make them dis- 

 gorge their prey. 



TACK. 1. In navigation, a rope used to 

 confine the foremost lower corners of the 

 courses and stay-sails, when the wind 

 crosses the ship's course obliquely ; also 

 a rope employed to pull the lower corner 



of a studding-sail to the boom. Hence, 



2. The part of a sail to which the tack is 

 usually fastened, the foremost lower 



corner of the courses. Hence, 3. The 



course of a ship in'regard to the position 

 of her sails, as the starboard tack, the 

 larboard tack; the former when she is 

 close-hauled with the wind on her star- 

 board ; the latter when close-hauled with 



the wind on her larboard. Hence, 4. 



To tack, is to change the course of a ship, 

 by shifting the tacks and position of the 

 sails from one side to the other. See also- 

 TACKLE. 



TACK, } A small nail. The tack has 



TACK'ET. ] usually a thin head, and is 

 used for nailing slightly any covering, as 

 tin-plate, canvass, &c. ; the tacket has a 

 large and thick head, and is driven into 

 coarse shoes to prevent the soles from 

 wearing rapidly. 



TACK'LE, Ger. and Dut. takel ; Sw. tar/la 1 

 1. A term used to designate a pairofpulle) 

 blocks and ropes, used for raising or re- 

 moving weights. 2. The rigging and 



apparatus of a ship. The ground-tackle 

 consists of anchors with their cables, &c. ; 

 the gun-tackle, the instruments for hauling 

 cannon in and out. Tack-tackle, a small 

 tackle for pulling down the tacks of the 

 principal sails. 



TAC'TICS, Gr. raxrizo;, from T|/S, 

 order. The science and art of disposing 

 military and naval forces in order for 

 battle, and performing military and naval 

 evolutions. 



T^E'DICM VI'TJE. "Weariness of life. A 

 mental disorder. 



TA'EL. A Chinese weight for gold and 

 silver ; used also in the East Indian Archi- 

 pelago. 



TJE'NU. The Tape-worm : a genus of 

 entozoa, characterised by a long, flat, and 



