[countable, uncountable] a large area of land that is thickly covered with trees. a tropical/pine forest; One careless match can start a forest fire. Forest park · Forest Lawn · The Petrified Forest · Nottingham Forest

1[countable, uncountable] a large area of land that is thickly covered with trees a tropical forest a forest fire Thousands of acres of forest are destroyed ...

There are two meanings listed in OED's entry for the verb forest. See 'Meaning & use' for definitions, usage, and quotation evidence.

National Forest ... ​any of 155 forests in the US protected and managed by the USDA Forest Service. Unlike National Parks, they are used for commercial activities ...

There are four meanings listed in OED's entry for the noun forest, one of which is labelled obsolete. See 'Meaning & use' for definitions, usage, ...

an area of forest that has been made into a park for the public to enjoy. Like national parks, forest parks are usually large areas of attractive country.

noun /ˈfɒrɪstri/ /ˈfɔːrɪstri/ [uncountable] the science or practice of planting and taking care of trees and forests.

1. English: variant spelling of Forrest. It is also found in both French and Catalan as a surname in this spelling, with the same origin and meaning.

5 дней назад · a large area of land covered with trees and plants, usually larger than a wood, or the trees and plants themselves.

​a forest in south-west England containing many very old oak and beech trees. In 1938 it became Britain's first forest park. Definitions on the go.