What is "firths"

Usage examples of "firths".

The map was an instant attraction, especially the west coast, fringed with firths, lochs, ky les and isles.

Dornoch wasn't easy to get to, isolated as it was from Edinburgh by an expanse of moody hills and three great sea firths north of Inverness.

At times he win come unseen to the shores of Middle-earth, or pass far inland up firths of the sea, and there make music upon his great horns, the Ulum?

At times he win come unseen to the shores of Middle-earth, or pass far inland up firths of the sea, and there make music upon his great horns, the Ulumúri, that are wrought of white shell.