1. n. a resinous substance secreted as a protective covering by the lac insect, and used to make varnish and shellac.
Phrases and idioms:
lac insect an Asian scale insect, Laccifer lacca, living in trees.
Etymology: ult. f. Hind. lakh f. Prakrit lakkha f. Skr. laksa 2.var. of LAKH.