Definition of Apterygota
- a group of insects which includes the bristletails and springtails, having a primitive body form without wings and no distinct larval stage. Compare with Pterygota.
- Subclass Apterygota, class Insecta (or Hexapoda): several orders, some of which are sometimes excluded from the Insecta
modern Latin Apterygota, from Greek a- 'not' + pterugōtos 'winged'