Kauri resin, Kauri gum, or  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.
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  kauri copal
       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]