Tres Zapotes, Mexico
[Si].
An Olmec ceremonial centre in the Tuxtla Mountains of southern Vera Cruz believed to have been occupied in the period 1000–600 bc. Excavations by Matthew Stirling from 1938 to 1946 have shown that Tres Zapotes came to prominence after La Venta was destroyed.
[Rep.: M. W. Sterling , 1940,
An initial series from Tres Zapotes, Vera Cruz, Mexico
. Washington DC: National Geographic Society]
triangular loomweight
[Ar].
Block of baked clay weighing around 1kg with a triangular outline and parallel sides cross-section with perforations through the corners for attachment to the warp threads on an upright loom during textile production. Generally later Bronze Age and Iron Age in date in the British Isles, these objects provide some of the earliest evidence of weaving.
triangulation
[Te].
Method of fixing the position of a defined point in the horizontal plane by measuring its distance from two points whose position is already established (e.g. grid pegs) and calculating with trigonometry or plotting on paper the third point. When using the paper method the new point can be plotted by scaling the measured distance from each of the known points with a compass so that the new point is the position where the arcs intersect.
tribal archaeologist
[Ge].
A professional archaeologist employed by an indigenous tribal population.
tribe
[Ge].
A group of indigenous persons, families, or clans believed to be descended from a common ancestor and forming a close-knit community under a defined leader, chief, or ruling council. A larger group of bands unified by sodalities and governed by a council of representatives from the bands, kin groups, or sodalities within it.
tribunal
[Co].
Raised platform for a commanding officer or magistrates.