(plural: tagmata [tag- mah-tah]): unit of a body; part of the section of the body that is separated from other body regions; example - the head, thorax and abdomen are the three tagmata of the insect body.

In invertebrate biology, a tagma (plural tagmata) is a specialized grouping of arthropodan segments, such as the head, the thorax, and the abdomen. The segments of a tagma may either be fused or moveable.

Imperial Guard Regiment/Regiments; Central Army forces.