Definitions

1. adjective

Relating to or denoting the pronotum; especially of insects, relating to the pronotum, a shield-like structure on the thorax.

“The pronotal plate of the beetle was intricately designed.”

2. adjective

Of or pertaining to the pronotum.

“The pronotal ridge was a distinctive feature of the beetle’s appearance.”

3. noun

A pronotal plate or ridge.

“The pronotal structure of the insect was its most notable feature.”