Definitions

1. noun

The front or forehead of a head, especially a fossilized skull.

“The paleontologist carefully examined the frons of the ancient skull to determine its species.”

2. noun

In insects, the forehead or face, especially the frontal part of the head, including the eyes and other sensory organs.

“The frons of the bee was particularly large and noticeable, allowing it to detect even the slightest changes in its environment.”