In the tropical rainforest water cycle trees get water in the form of

Precipitation or rainfall.

Because tropical rainforest is an ecosystem where condensation is faster than in colder ecosystems or hotter ecosystems because of the exact temperature and sunlight the process of water cycle is much more observed daily or almost every moment.

When the water cycle reaches precipitation or rainfall, plants and trees receives and collects water from the clouds and secure them for photosynthesis.