rain forest


Definition of rain forest 

1 : a tropical woodland with an annual rainfall of at least 100 inches (254 centimeters) and marked by lofty broad-leaved evergreen trees forming a continuous canopy

called also tropical rain forest

Examples of rain forest in a Sentence

Recent Examples on the Web

It was declared on May 8, when a cluster of cases was confirmed deep in the rain forest of the country’s Equateur province. Max Bearak, Washington Post, "Remember that Ebola outbreak in Congo? Looks like they contained it.," 27 June 2018 The team found the snakes that would be later named Dipsas klebbai and Dipsas oswaldobaezi in the rain forests of Ecuador, and they’re named for patrons Casey Klebba and Oswaldo Báez. Alejandro Arteaga, National Geographic, "These 5 New Snake Species Suck Snails Out of Their Shells," 14 June 2018 Mountains captured moisture to feed growth that became rain forests. Elizabeth Chang, chicagotribune.com, "Your friends in Hawaii are probably safe from the volcano on the Big Island. Here's why.," 16 May 2018 And transport itself is more difficult in the rain forest. Max Bearak, Washington Post, "With Ebola at a “critical point” in Congo, aid groups scramble to limit the outbreak," 2 June 2018 The discovery fills a major gap in the history of the Amazon and provides further evidence that the rain forest — once thought to be untouched by human farming or occupation — has in fact been heavily influenced by those who lived in it. Doyle Rice, USA TODAY, "Dozens of ancient villages discovered in 'uninhabited' Amazon rain forest," 27 Mar. 2018 Her boyfriend proposed to her in the rain forest exhibit. Scott Berson, miamiherald, "They married, then got on a plane. The crew threw them another wedding in the sky," 20 June 2018 Colombia's western Pacific coast, a poor, underdeveloped rain forest area, has long been a hot spot of violence as criminal gangs and armed groups fight for territorial control. Washington Post, "World Digest: Jan. 15, 2018," 15 Jan. 2018 Reaching the Public The Amazon rain forest is so thick with biodiversity that a new species is discovered there roughly every other day. Alejandro Arteaga, National Geographic, "These 5 New Snake Species Suck Snails Out of Their Shells," 14 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rain forest.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of rain forest

1903, in the meaning defined at sense 1

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Last Updated

21 Oct 2018

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The first known use of rain forest was in 1903

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More Definitions for rain forest

rain forest


English Language Learners Definition of rain forest

: a tropical forest that receives a lot of rain and that has very tall trees

rain forest


Kids Definition of rain forest

: a woodland with a high annual rainfall and very tall trees and that is often found in tropical regions

More from Merriam-Webster on rain forest

Spanish Central: Translation of rain forest

Britannica.com: Encyclopedia article about rain forest

Comments on rain forest

What made you want to look up rain forest? Please tell us where you read or heard it (including the quote, if possible).


to reject or criticize sharply

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