ˌ ̷ ̷ ̷ ̷ˈsōmə noun
Etymology: New Latin, from meta- + -soma
: the hind region of the body of some invertebrates ; especially : such a region that cannot be readily analyzed into its primitive segmentation (as in some mollusks and arachnids)
• meta·so·mal | ̷ ̷ ̷ ̷|sōməl adjective