noun, masculine/ʁɛ̃/plural: rains
a raised border on a field or forest that serves as a boundary
From Middle French rain, from Old Dutch *rein, *rēn, from Proto-West Germanic *rain (“raised land, baulk, ridge”), from Proto-Germanic *rainaz, *rainō (“baulk, ridge”). Cognate with Dutch reen, rein, German Rain, English rean.