beachline

noun

beachline

noun

Etymology From beach + line.

1

The line between a beach and the water; the shoreline.

There were avenues through the swamp, old beachlines of Lake Superior dating from earlier times when the lake level was higher.1995, Rolf Olin Peterson, The Wolves of Isle Royale: A Broken Balance, page 42:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.