noun, plural ter·ga [tur-guh] /ˈtɜr gə/. Zoology.
Origin of tergum
Examples from the Web for terga
Terga, large, nearly equalling the scuta in area, flat and sub-triangular; the scutal margin is not quite straight.
The umbo projects a little over the scutal margin of the terga.
All the valves, even in the same species, are subject to considerable variation in shape, more especially the terga.
Basal margin nearly on a level with that of the scuta and with the basal points of the terga.
Terga extremely narrow, linear, consisting in chief part of the spur, which is fully four fifths of the entire length.A Monograph on the Sub-class Cirripedia (Volume 2 of 2)|Charles Darwin