What is "kauri copal"

Kauri resin \Kauri resin\, Kauri gum \Kauri gum\, or Kauri copal \Kauri copal\ A resinous product of the kauri, found in the form of yellow or brown lumps in the ground where the trees have grown. It is used for making varnish, and as a substitute for amber.

n. resin of the kauri trees of New Zealand; found usually as a fossil; also collected for making varnishes and linoleum [syn: kauri, kauri resin, kauri gum]