noun
- The dorsal (back) portion of an insect's thorax, bearing the wings and legs.
Usage: technical; entomology; plural: nota
Examples
- The notum of the beetle was covered with a hard, protective exoskeleton.
- Entomologists examined the notum to identify the insect species.
- The wings attach to the notum in most flying insects.
- Damage to the notum can affect an insect's ability to fly.