Definitions

1. noun

The front segment of an insect’s thorax, typically bearing the head and wings.

“The prothorax of the butterfly was where the delicate wings emerged.”

2. anatomy

In arthropod anatomy, the anterior segment of the thorax.

“The prothorax of the insect is crucial for its overall structure and movement.”

3. biology

A segment of the thorax in arthropods, particularly in insects.

“In the study of arthropod development, the prothorax plays a key role.”