What is "liquid copal"

Piney \Pin"ey\, a. [Of East Indian origin.] A term used in designating an East Indian tree (the Vateria Indica or piney tree, of the order Dipterocarpe[ae], which grows in Malabar, etc.) or its products.

Piney dammar, Piney resin, Piney varnish, a pellucid, fragrant, acrid, bitter resin, which exudes from the piney tree ( Vateria Indica) when wounded. It is used as a varnish, in making candles, and as a substitute for incense and for amber. Called also liquid copal, and white dammar.

Piney tallow, a solid fatty substance, resembling tallow, obtained from the roasted seeds of the Vateria Indica; called also dupada oil.

Piney thistle (Bot.), a plant ( Atractylis gummifera), from the bark of which, when wounded, a gummy substance exudes.