We found 18 dictionaries that define the word rainforest:

General (14 matching dictionaries)

1. rainforest: Merriam-Webster
2. rainforest: Oxford Learner's Dictionaries
3. rainforest: Collins English Dictionary
4. rainforest: Vocabulary.com
5. Rainforest, rainforest: Wordnik
6. rainforest: Cambridge Advanced Learner's Dictionary
7. rainforest: Wiktionary
8. rainforest: Dictionary.com
9. Rainforest (album), Rainforest (disambiguation), Rainforest, The rainforest: Wikipedia, the Free Encyclopedia
10. rainforest: Rhymezone
11. rainforest: FreeDictionary.org
12. rainforest: Mnemonic Dictionary
13. rainforest: TheFreeDictionary.com

Computing (1 matching dictionary)

14. rainforest: Encyclopedia

Science (2 matching dictionaries)

15. Flora of New South Wales (No longer online)
16. rainforest: Evolution Glossary

Slang (1 matching dictionary)

17. rainforest: Urban Dictionary

(Note: See rainforests as well.)

Definitions from Wiktionary ( ) ▸ noun:  A forest in a climate with high annual rainfall and no dry season. Similar: temperate rainforest, monsoon forest, vine scrub, fog forest, gallery forest, subdesert, Amazon Rainforest, tropical, Atlantic Forest, savanna, more... Opposite: desert, arid, aridic Types: temperate, tropical, subtropical, more... Phrases: tropical rainforest, Amazon Rainforest, temperate rainforest, rainforest destruction, Tropical rainforest climate, more... Adjectives: tropical, temperate, dense, amazonian, primary, brazilian, equatorial, lush, virgin, subtropical, coastal Colors:     emerald,     fern,     olive,     jungle green,     teal, more... ▸ Words similar to rainforest ▸ Usage examples for rainforest ▸ Idioms related to rainforest ▸ Wikipedia articles (New!) ▸ Popular adjectives describing rainforest ▸ Words that often appear near rainforest ▸ Rhymes of rainforest ▸ Invented words related to rainforest