An inferior lac produced by lac insects in Madagascar.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "gum-lac" in a sentence
"Towards the close of 1815 a man, a stranger, had established himself in the town, and had been inspired with the idea of substituting, in this manufacture, gum-lac for resin, and, for bracelets in particular, slides of sheet-iron simply laid together, for slides of soldered sheet-iron."
"They also brought on board a small quantity of gum, of a seemingly very fine quality, which had exuded from trees, and bore some resemblance to gum-lac."
"Tasman took for gum-lac; it is extracted from the largest tree in the woods."