pine wood having a high content of resin, used for light, torches, or kindling.
1838(1966)This is filled with a very combustible substance called fat-pine, which burns with a fierce and rapid flame, or else with rolls of birch-bark, which is also very easily ignited.
1866A blazing light of birch bark and "fat pine" is kindled in an iron cresset fixed in the bows of a canoe. . . .
1905The Jack-light was made of fat pine knots (knots full of pitch), or hickory bark placed in a basket made of hoop iron hung up to a pole at one end of the boat.