- an anterior body region, especially the arthropod cephalothorax.
Origin of prosoma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for prosoma
Prosoma as in the Mygalomorphae, except that the mesosternal area is long and narrow.
- zoology the head and thorax of an arachnid