Underwood

n.

1.

Small trees and bushes that grow among large trees; coppice; underbrush; - formerly used in the plural. Shrubs and underwoods look well enough while they grow within the shade of oaks and cedars. - Addison.

Noun

1.

underwood - the brush (small trees and bushes and ferns etc.) growing beneath taller trees in a wood or forest Synonyms: underbrush, undergrowth

brush, brushwood, coppice, copse, forest, ground cover, groundcover, thicket, underbrush, undergrowth, wood, woods