Definition of metasoma in English:

metasoma

noun

Zoology
  • The posterior section of the body in various invertebrates that have a body divided into two or three distinct sections (e.g. arachnids, cephalopods, hemichordates, lophophorates, etc.); (Entomology) the broad or swollen part of the abdomen behind the petiole of many hymenoptera.

Origin

Late 19th century; earliest use found in Henry Nicholson (1844–1899), biologist and geologist. From meta- + ancient Greek σῶμα.

Pronunciation

metasoma

/ˌmɛtəˈsəʊmə/