Definition of mean sea level in English:

mean sea level

noun

  • The sea level halfway between the mean levels of high and low water.

    • ‘Winds were reported of up to 150 mph and a storm surge of 12.4 feet was reported west of the town of Cameron, some 20 feet above mean sea level.’
    • ‘With wind gusts of up to 90 miles per hour and water surges eight-and-one-half feet above mean sea level, New York's transportation infrastructure sputtered to a halt.’
    • ‘At the time George Eliot was writing, the land was much lower: ‘well below mean sea level’ (as Mr Tatam points out).’
    • ‘Patalkot is spread over an area of 79 sq.km. at an average height of 2,750-3,250 feet above mean sea level.’