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EnglishEdit

EtymologyEdit

beach +‎ line

NounEdit

beachline (plural beachlines)

  1. The line between a beach and the water; the shoreline.
    • 1995, Rolf Olin Peterson, The Wolves of Isle Royale: A Broken Balance, page 42:
      There were avenues through the swamp, old beachlines of Lake Superior dating from earlier times when the lake level was higher.