trunnion
[De].
A cylindrical projection from the side of a cannon or mortar that when seated in a semi-circular notch cut into the framework or housing provides support while allowing the cannon to swivel in the vertical plane.
Tuart
[Di].
tuáth
[Ge].
Unit of community in early Irish society, comprising king, aristocracy, and free commoners, but which also acquired a territorial connotation. The individual's rights existed only within his own tuáth, but this could be extended by affiliations of clientship between an entire tuáth and a more powerful overlord.
Tucannon Phase
[CP].
Archaic Stage hunter-gatherer communities living along the Snake River in eastern Washington, North America, in the period 3000–500 bc. Tucannon assemblages are characterized by the presence of crudely chipped corner-notched or stemmed points, chipped knives, and edge-worked cobbles. Elk, deer, and antelope were hunted and salmon taken from the river. Hopper mortars and pestles suggest some systematic use of plant food.
Tudor green ware
[Ar].
Style of pottery manufactured in southeastern England (mainly in Surrey) in the 16th century
ad
which has a distinctive rather thick green or yellow glaze over a light coloured body.
tufa
[Ma].
Stone deposit of sponge-like texture formed as a result of the evaporation of water heavily charged with lime. Calcareous deposits left by springs, used as indicators of consistent rainfall in now arid areas.
tuff
[Ma].