Obs. Med. Also china-china, kina-kina. = QUINQUINA, q.v.
1707. Phil. Trans., XXV. 2446. The Skin or Bark of that Tree, which is called China China.
1727–41. Chambers, Cycl., s.v. Quinquina, The tree that produces the quinaquina is tall.
1797. Encycl. Brit. (ed. 3), V. 12/1. The bark … called … Kinakina or … Quinaquina.
