Definition of niaouli in US English:

niaouli

(also niauli)

noun

  • 1An evergreen tree, Melaleuca quinquenervia (family Myrtaceae), native to New Caledonia, New Guinea, and eastern Australia and noted for its resistance to fire.

  • 2= niaouli oil.

Origin

Late 19th century; earliest use found in Encyclopaedia Britannica. From French niaouli from Nyelayu (New Caledonia) nyaûlî.