American English

Definition of rainforest noun from the Oxford Advanced American Dictionary

 

rainforest

 noun
noun
NAmE//ˈreɪnˌfɔrəst//
 
, NAmE//ˈreɪnˌfɑrəst//
 
[countable, uncountable]
 
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a thick forest in tropical parts of the world that have a lot of rain the Amazon rainforest compare cloud forest
See the Oxford Advanced Learner's Dictionary entry: rainforest