dyke

noun
1
a long thick wall that is built to stop water flooding onto a low area of land, especially from the sea
سیل‌بند, سد خاکی, دیوار خاکی, خاک‌ریز
2
a channel that carries water away from the land
کانال آب, جوی, زهکش
The first dykes were cut in the Middle Ages.
Wind pumps were built at intervals on the dykes.
synonym ditch
3
an offensive word for a lesbian
دگر باش هم جنسی (توهین آمیز), همجنس‌باز زن