Definition of flood mark in English:

flood mark

noun

  • A mark left or reached by the waters of a flooded river or other body of water.

    ‘the tide peaked at 61 inches, well past the 40-inch flood mark’
    • ‘Rainwater is a snap—just let it run to where it wants to go, and make sure you are above a thousand-year flood mark.’
    • ‘The White River is cresting, and that could hit the 100-year flood mark.’
    • ‘That flood mark was over my head—most of us would have drowned, not in the filthy water, but under layers of plastic.’
    • ‘The divergent set of data includes campaign inscriptions, burial tombs, and riverbank flood marks.’
    • ‘People faced an anxious wait to see how high the river would rise above flood marks.’
    • ‘In 1936, the spring freshet of the Connecticut River reached a record flood mark of 30.21 feet, flooding the quarries.’
    • ‘It had receded to 12.5 feet by Saturday afternoon, just above the 12-foot flood mark.’
    • ‘On the cliff face to the right is the 1981 flood mark, over 40 metres above river level.’
    • ‘That included lifting the entire home up a level to get habitable zones out of the highest flood mark.’
    • ‘They can construct new buildings two feet above the 100-year flood mark.’