Definition of upas in English:

upas

(also upas tree)

noun

  • 1A tropical Asian tree, the milky sap of which has been used as arrow poison and for ritual purposes.

    1. 1.1(in folklore) a Javanese tree alleged to poison its surroundings and said to be fatal to approach.

Origin

Late 18th century: from Malay ( pohun) upas poison.

Pronunciation:

upas

/ˈjuːpəs/