Definitions

1. adjective

Relating to the part of an insect’s body that includes the abdomen and the second to eighth segments of the thorax.

“The metasomal structure of the beetle is highly specialized for its unique lifestyle.”

2. noun

The part of an insect’s body that includes the abdomen and the second to eighth segments of the thorax.

“The metasoma of the wasp is a key feature in its identification.”