Shoreline (noun)

The line or boundary where a body of water meets the land.

Origin:

From middle english, from the old english scer- + lǣne.

Examples:

1. The shoreline was dotted with colorful umbrellas and beachgoers.
2. The high tide mark on the shoreline was an indicator of the strength of the waves.
3. The shoreline was protected by a seawall to prevent erosion.
4. The tourists strolled along the shoreline, taking in the scenic view.
5. The shoreline was dotted with boats of all sizes, from kayaks to yachts.