| a tropical forest, usually of tall, densely growing, broad-leaved evergreen trees in an area of high annual rainfall. |
rain·for·est or rain forest  (rān'fôr'ĭst, fŏr'-)  n. A dense evergreen forest with an annual rainfall of at least 406 centimeters (160 inches). Rainforests are often, but not always, located in tropical regions. |