Definition of Pterygota in US English:

Pterygota

Entomology
  • A large group of insects that comprises those that have wings or winged ancestors, including the majority of modern species.

    Subclass "Pterygota", class "Insecta" (or "Hexapoda"): many orders

    Compare with Apterygota
    • ‘In most insects (the Pterygota) the thorax posses one or two pairs of wings for flying.’
    • ‘It is possible that Pterygota occurred as early as the Upper Devonian, but, again, there is no evidence for this.’

Origin

Modern Latin (plural), from Greek pterugōtos ‘winged’, from pteron, pterug- ‘wing’.

Pronunciation

Pterygota

/ˌterəˈɡōdə/