Ruhr Valley
         n 1: a major industrial and coal mining region in the valley of
               the Ruhr river in northwestern Germany [syn: {Ruhr}, {Ruhr
               Valley}]

English Dictionary: Ruhr Valley	by the DICT Development Group
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Rorifluent \Ro*rif"lu*ent\, a. [L. ros, roris, dew + fluens, p.       pr. of fluere to flow.]       Flowing with dew. [R.]