noun pro·so·ma \(ˌ)prō-ˈsō-mə\

Definition of PROSOMA

:  the anterior region of the body of an invertebrate (as an arachnid) especially when the segmentation is suppressed or obscured; especially :  cephalothorax

Origin of PROSOMA

New Latin, from Greek pro- + sōma body
First Known Use: 1872


Next Word in the Dictionary: proso milletPrevious Word in the Dictionary: prosogyrateAll Words Near: prosoma
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears