The Oxford Thesaurus An A-Z Dictionary of Synonyms - brush°n.

1) brushwood, shrubs, undergrowth, branches, scrub, brush, bracken, brambles, underbrush, underwood: It took us three days to clear the brush from around the house. 2) thicket, brake, copse, grove, boscage: The fox disappeared into the brush, which was too dense for the dogs to follow.