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A dense uncultivated tract of trees and undergrowth, larger than woods.

Any dense collection or amount.
a forest of criticism

A defined area of land set aside in England as royal hunting ground or for other privileged use; all such areas.

A graph with no cycles; i.e., a graph made up of trees.

A group of domains that are managed as a unit.

The colour forest green.

To cover an area with trees.