- 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 terga
The terga are narrow, with a sloping basal margin, as in var.
Hence we see how wonderfully variable the terga are in this genus.
The terga of the somites may, in fact, be said to have become formed.The Works of Francis Maitland Balfour, Volume 1
Francis Maitland Balfour
The umbo of the terga, I may add, is in the same place, as in Lepas.
The scuta, terga, and carina are much larger than the other valves.
- a cuticular plate covering the dorsal surface of a body segment of an arthropodCompare sternum (def. 3)
C19: from Latin: the back
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012