- the dorsal surface of a body segment of an arthropod.
Origin of tergum
1820–30; < Latin: the back
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for tergum
The tergum precisely resembles that in some specimens of var.
If we imagine the scutum and tergum in the third sub-variety of var.
Tergum with a longitudinal furrow; spur with the end rounded.
In the Achorutidae the head is forwardly directed, the tergum of the prothorax conspicuous, and the spring small or vestigial.
The arched upper part of the ring is known as the tergum, and the more flattened under-part as the sternum.The Life of Crustacea
William Thomas Calman
- a cuticular plate covering the dorsal surface of a body segment of an arthropodCompare sternum (def. 3)
C19: from Latin: the back