An embankment, levee, or dyke built along a river or sea to prevent flooding or control water flow.
大雨で堤防の水位が上がり、避難指示が出された。
Heavy rain raised the river level at the embankment, and an evacuation order was issued.
子どもたちは堤防の上を走って遊んでいた。
Children were running and playing on top of the embankment.
堤防の補強工事が来月から始まる予定だ。
Reinforcement work on the embankment is scheduled to begin next month.