高こう潮ちょう堤ていMeanings1nounstorm surge barrier; seawall; tide embankmentA coastal defense structure designed to protect against storm surges and high tides. Often used in technical or disaster prevention contexts.See also: 防潮堤高こう潮ちょう堤ていがなければ、この町まちは台たい風ふうのたびに浸しん水すいしていただろう。Without the storm surge barrier, this town would have been flooded every time a typhoon hit.