Definitions

1. adjective

relating to the prosoma, especially in arthropods; forming the head region of an arthropod.

“The prosomal segmentation in arachnids is quite unique.”

2. noun

The prosoma, the anterior part of the body in arthropods, especially in arachnids and some other arthropods.

“The prosomal shield in a spider’s prosoma protects its internal organs.”

3. noun

A prosomal segment or region of the body, especially in arthropods.

“Each prosomal segment of the spider’s body has its unique set of appendages.”