rain shadow(n = noun.location) - an area that has little precipitation because some barrier causes the winds to lose their moisture before reaching it;
is a kind of area, country

acid rain, eye shadow, golden rain, rain, rain barrel, rain buckets, rain cats and dogs, rain check, rain cloud, rain dance, rain date, rain down, rain forest, rain gage, rain gauge, rain out, rain shower, rain stick, rain tree, shadow, shadow box, shadow cabinet, shadow play, shadow show, temperate rain forest, tropical rain forest