贝壳杉柯巴

[ noun ]
resin of the kauri trees of New Zealand; found usually as a fossil; also collected for making varnishes and linoleum
<noun.substance>

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.
[Webster 1913 Suppl.]