noun
- plural of prothorax; the first segment of the thorax in insects, bearing the first pair of legs
Usage: entomology
Examples
- The entomologist examined the prothoraces of several beetle specimens.
- In many insects, the prothoraces are clearly distinct from the mesothoraces.
- The prothoraces of these grasshoppers show distinctive markings.
- Students learned to identify insects by observing their prothoraces.
- The researcher measured the width of the prothoraces in her study.
- Different species can be distinguished by the shape of their prothoraces.