The Chinese word for forest is
森林

sēn lín

Chinese Definition

forest
1. 名词. 森林
Components
森
1. full of trees; densely forested
2. in profusion; multitudinous; dense
3. dark; gloomy; cold
陰森 - gloomy
4. orderly
5. strict; rigid; rigorous
森嚴 - strict; tight
6. (name obor, zh, ja, 森, xlit=Mori, type=surname)
7. (place, zh, t=Mori, town, pref/Hokkaido, c/Japan)
8. (place, zh, t=Mori, town, pref/Shizuoka, c/Japan)
9. (Malaysia, Singapore) Short for 森美蘭, Negeri Sembilan
林
1. forest; grove; woods
竹林 - bamboo forest
防風林 - windbreak; shelterbelt
2. circle; community; group of similar people or things
武林 - martial arts world
3. forestry
4. , commonly romanized as Lin, Lim, and Lam
林默-娘 - Lin Moniang (a Chinese sea goddess also known by several other names and titles)
林彪 - Lin Biao (a Marshal of the People's Republic of China)

森林
1. n. forest; trees
森林砍伐率 - rate of deforestation
注重保護森林 - to attach importance to forest conservation
請愛護森林。 - Please protect our trees.
2. n. (graph theory) forest (graph with no cycles)

林
1. forest; grove; woods
竹林 - bamboo forest
防風林 - windbreak; shelterbelt
2. circle; community; group of similar people or things
武林 - martial arts world
3. forestry
4. , commonly romanized as Lin, Lim, and Lam
林默-娘 - Lin Moniang (a Chinese sea goddess also known by several other names and titles)
林彪 - Lin Biao (a Marshal of the People's Republic of China)