Meaning of VALLEY in English
n. (pl. -eys)
1. a low area more or less enclosed by hills and usu. with a stream flowing through it.
2 any depression compared to this.
3 Archit. an internal angle formed by the intersecting planes of a roof.
Etymology: ME f. AF valey, OF valee ult. f. L vallis, valles: cf. VALE(1)
Oxford English vocab. Оксфордский английский словарь. 2012