D defs.my
Entry 1 sense Webster, 1913

Underwood

/ŭn'-dẽrw-o͝odˌ/ · Un·der·wood · IPA /ˈʌndə(ɹ)ˌwʊd/
01 n. Small trees and bushes that grow among large trees; coppice; underbrush; -- formerly used in the plural.
  1. 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.