pine tar

a viscid, blackish-brown liquid prepared by the destructive distillation of pine wood and used in the preparation of expectorants, disinfectants, tar paints, roofing materials, etc.

See pine tar in American Heritage Dictionary 4

noun
A viscous or semisolid brown-to-black substance produced by the destructive distillation of pine wood and used in roofing compositions and as an expectorant and antiseptic.

Learn more about pine tar

link/cite print suggestion box