What term describes the line where a large body of water meets the land?

The term that describes the line where a large body of water meets the land is "shoreline." This term is used specifically to refer to the boundary between land and a waterbody, such as an ocean, sea, lake, or river. It encompasses areas that may be exposed at low tide and submerged at high tide, capturing the dynamic nature of water level changes.

While "coastline" often refers to the broader area where land meets ocean waters, and can include larger geographic regions that may encompass various shorelines, it is not as precise in defining the exact interface between water and land. The term "waterline" typically relates to the level of water, rather than the point of contact with the land, and "beachfront" refers to property or land that borders the beach, which might include areas beyond the direct interface where the water meets the land. Thus, "shoreline" is the most accurate description for the specific line where a large body of water directly meets the land.