‖ rohunaBot. [Hindī rohunna.] (See quots. and prec.) 1846Lindley Veget. Kingd. 462 The bark of Soymida febrifuga, the Rohuna of Hindostan, called on the Coromandel coast the Red-wood tree.1887Bentley Man.Bot. (ed. 5) 620 The febrifugal bark of Soymida febrifuga, the Rohuna tree.