Definition of pterygote in US English:

pterygote

noun

Entomology
  • See Pterygota

    • ‘Winged insects, or pterygotes, have radiated into over 100 times more species than all of the winged vertebrate lineages combined. They include all of the commonly encountered insects; the most common non-pterygote insect lineage are the Thysanura (silverfish and firebrats).’
    • ‘While earliest insects were terrestrial, earliest pterygotes had aquatic immatures.’

Pronunciation

pterygote

/ˈterəˌɡōt/