IPA: /ˌmɛtəˈθɔræks/
KK: /mɛtəˈθɔræks/
The back part of an insect's body that is located behind the middle section, which supports the last pair of legs and wings.
The butterfly's metathorax is crucial for its flight stability.
Metathorax → It is formed from "meta-" (meaning beyond or after) and "thorax" (from Greek "thorax", meaning chest or breastplate). The word refers to the segment of an insect's body that is located behind the thorax, thus indicating a part that is beyond the main thorax.
Think of 'meta-' meaning beyond, and 'thorax' referring to the chest — so metathorax is the part of the body that is beyond the chest.