What is "tidemarks"

Usage examples of "tidemarks".

Her hair hung lank, her lips looked bruised, and there were tidemarks of dirt around her neck.

One of the most amazing sights in this changed city was to see George's name scrawled across the tidemarks of graffiti.

In those first moments, as warring elements collided, boundaries had formed, dimensions had been made and disappeared without ever quite dissolving, like the salt tidemarks on those rocks…” As they walked, the tariqua waved her cane.

Shirra had a table carried between tidemarks, and publicly prayed against the rover at the pitch of his voice and his broad lowland dialect.