noun
top of a dam or embankment; levee crown
Technical term in civil engineering; often used as a road surface on top of a levee or dam.
この堤防の天端は遊歩道として整備されている。
The top of this embankment has been developed as a promenade.
ダムの天端を車で走ることができる。
You can drive along the top of the dam.