Definition of metascutum in US English:

metascutum

noun

Entomology
  • The scutum of the metathorax of an insect.

Origin

Mid 19th century; earliest use found in Alpheus Packard (1839–1905). From meta- + scutum.

Pronunciation

metascutum

/ˌmɛtəˈskjuːtəm/