ていぼう堤防teibou
1.
A constructed barrier made of soil, stone, or concrete, built along the edges of rivers, lakes, or coastlines to prevent flooding and protect against the intrusion of seawater.
2.
An elevated structure designed to safeguard areas from the overflow of bodies of water during periods of heavy rain or high tides.
3.
A preventative engineering feature that serves to manage and control water levels in order to mitigate potential water-related disasters.
4.
A physical construction intended to provide a defense against natural water threats, reinforcing the boundaries between land and water bodies.
Example:
子供たちは堤防をすべりおりた。