skrim noun4 •A loose-weave fabric made of fiberglass, used for insulation.A fiberglass skrim insulator was layed^([sic]) on. • The aluminum honeycomb was layed on each surface of the rhombus. • A second fiberglass skrim cloth was layed on. — 1983 •Canvas backing to prevent slipping or shrinkage.Now nearly all tufted carpeting is made with an extra "skrim" backing of jute, which has eliminated the problem. Some inexpensive carpeting, however, is still made without a skrim back. — 1989 •Theater dropJOEY tosses the fallen rope into the wings and examines the curtain. lt is a painted skrim and across its center is the large, lettered sign, "ASBESTOS." — 1974 •Alternative form of scrim. formsskrims