rainforest

noun

rain·​for·​est ˈrān-ˌfȯr-əst How to pronounce rainforest (audio)
-ˌfär-
variants or less commonly rain forest
plural rainforests also rain forests
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 rainforest

2

Examples of rainforest in a Sentence

Recent Examples on the Web Indigenous Reserves and the Future of the Amazon Swathes of the Amazon rainforest are set aside for Indigenous peoples to manage. JSTOR Daily, 24 June 2024 This nourishes phytoplankton, which generates about half of the world’s oxygen and absorbs substantial amounts of CO2, equivalent to the capacity of four Amazon rainforests. Jared Formanek, CNN, 14 June 2024 And the cocoa crop is hardly in great shape; climate change is decreasing production, causing prices to rise; farmers in West Africa have responded by clear-cutting rainforests to plant more cocoa plants. Diana Gitig, Ars Technica, 23 May 2024 As researchers and explorers dive deeper and deeper into the rainforest, collections and records of creatures unknown continue to grow. Irene Wright, Miami Herald, 16 May 2024 In southern Brazil, the now-lush rainforest environment once was a vast desert. Irene Wright, Miami Herald, 13 June 2024 Birds may get toxic feathers from eating beetles Songbirds in the pristine rainforests of New Guinea, including the regent whistler and rufous-naped bellbird, have potent neurotoxins in their feathers like those found among poison dart frogs. Brian Handwerk, Smithsonian Magazine, 12 June 2024 Many migrants interviewed had flown from Africa, Asia or Europe to South America and trekked north through the Darién Gap, a 60-mile stretch of dense rainforest between Colombia and Panama. Patrick J. McDonnell, Los Angeles Times, 16 May 2024 Light floods in from skylights like a rainforest canopy, and there is no better setting for an energizing breakfast. Stacey Wreathall and Dafydd Gwyon, Travel + Leisure, 15 May 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rainforest.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1900, in the meaning defined at sense 1

Time Traveler
The first known use of rainforest was in 1900

Dictionary Entries Near rainforest

Cite this Entry

“Rainforest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rainforest. Accessed 4 Jul. 2024.

Kids Definition

rain forest

noun
1
: an often tropical woodland with a high annual rainfall and very tall evergreen trees with tops forming a continuous layer

called also tropical rain forest

2

More from Merriam-Webster on rainforest

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