sb. [UNDER-1 5 c.] Underwood, underbrush.
1891. Stevenson, South Seas, IV. ii. Smoke rose in the green underbush.
1897. Mary Kingsley, W. Africa, 114. Pretty trailing lycopodium climbing over the cardamoms which abound in the under-bush.
Hence Underbush v. trans., = UNDERBRUSH v.
1886. Nature, 21 Jan., 269/2. I was watching a coolie underbushing in the bush on the Demerara River.