rainforest

noun

rain·​for·​est ˈrān-ˌfȯr-əst 

-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

: temperate rainforest

Examples of rainforest in a Sentence

Recent Examples on the Web

The highlight is the garden terrace with an open-air bathroom, complete with a wooden bath and a rainforest shower. — Audrey Lee, Architectural Digest, 30 Sep. 2026

El Niño threatens soy and corn harvests in the south while plunging savannahs and rainforests into drought and sparking wildfires. — Dan Restrepo, Foreign Affairs, 30 Sep. 2026

Aquamar even offers Wellness Discovery Tours, excursions such as practicing qigong in an Australian rainforest village. — Condé Nast, Condé Nast Traveler, 23 Sep. 2026

Travel experts recommend Washington for an autumn escape filled with golden larches, apple picking, wine tasting, misty rainforests, and charming mountain towns. — Stacey Leasca, Travel + Leisure, 21 Sep. 2026

Word History

First Known Use

1900, in the meaning defined at sense 1

Phrases Containing rainforest

• temperate rainforest
• tropical rainforest

Rhymes for rainforest

• aorist
• deforest
• chorused
• forest
• sorest

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

: temperate rain forest