noun kau??ri \??kau??(-??)r-??\Definition of KAURI1 : any of various trees (genus Agathis) of the araucaria family; especially : a tall timber tree (A. australis) of New Zealand having fine white straight-grained wood ???called also kauri pine 2 : a light-colored to brown resin from the kauri tree found as a fossil in the ground or collected from living trees and used especially in varnishes and l