buchu noun2 •A South African shrub in the genus Agathosma.Inside us, like chromosomes, lay the memories of […] guinea-fowl clicking in the early morning grass or the delicate tracks of the sandpiper, the smell of buchu and veld fires […] — 1978 •(South-Africa) Medicinal leaves from the shrub that are often used in brandy; this is an old Dutch medicine.Like Lucy, they have potatoes and onions to sell, but also bottled jams, preserves, dried fruit, packets of buchu tea, honeybush tea, herbs. — 1999 formsbuchus