strandline

/ˈstrændlaɪn/
noun
  1. The line or mark left on a beach by the highest point of the tide, often marked by debris, seaweed, or shells.
    • The strandline showed where the storm surge had reached.
    • Beachcombers often find interesting objects along the strandline.
    • We walked along the strandline collecting seashells and driftwood.
  2. The area of a beach where waves deposit material at the high-tide mark.
    • Scientists studied the strandline to measure plastic pollution on the beach.
    • The strandline is an important habitat for small crustaceans and insects.
    • Children built sandcastles just above the strandline to avoid the incoming tide.
Synonyms
What does "strandline" mean? | whatsthatwordmean | whatsthatwordmean