rain forest(n = noun.group) rainforest - a forest with heavy annual rainfall;
is a kind of forest, wood, woods
has particulars: temperate rain forest, selva, tropical rain forest
acid rain, argonne forest, black forest, de forest, forest, forest fire, forest fire fighter, forest goat, forest god, forest ranger, forest red gum, forest tent caterpillar, golden rain, lee de forest, new forest, petrified forest, petrified forest national park, rain, rain barrel, rain buckets, rain cats and dogs, rain check, rain cloud, rain dance, rain date, rain down, rain gage, rain gauge, rain out, rain shadow, rain shower, rain stick, rain tree, riparian forest, sherwood forest, temperate rain forest, tropical rain forest, virgin forest