rambla
/ˈramblə/noun
1Especially in cities of eastern Spain: a broad street built on a dry river-bed; specifically (now usually in plural) (the name of) an avenue in central Barcelona.
2In Spain: the dry bed of a temporary or transitory stream, often used as a road; a ravine, usually a waterless one.
Origin
Late 18th century. Partly from Spanish rambla dry river-bed, road built on a dry river-bed, and partly from Catalan rambla, both ultimately from Arabic ramla sandy tract, sandy ground, feminine noun corresponding to raml sand.