Definition of massoy in US English:

massoy

(also massoi)

noun

  • More fully "massoy bark". The aromatic bark of any of several tropical Asian trees of the family Lauraceae, especially Cryptocarya aromatica (Massoia aromatica) of New Guinea, from which an essential oil is derived, widely used in eastern medicine.

Origin

Early 19th century; earliest use found in The Asiatic Annual Register. From Malay masooi, variant of mesui massoy.

Pronunciation

massoy

/ˈmasɔɪ/