The outline of the lower part of a person's face, especially the lower jaw.
A strong jawline is often seen as attractive and confident.
Examples:
She has a strong jawline.
His jawline is very defined.
The superhero's jawline was very strong.
The cat's jawline was not as strong as the lion's.
In the movie, the villain had a jawline like a rock.
The king's jawline was so strong, it could cut through wood.