What is the meaning of Scrim?

A kind of light cotton or linen fabric, often woven in openwork patterns, used for curtains, etc,.

A large military scarf, usually camouflage coloured and used for concealment when not used as a scarf.

A woven, nonwoven or knitted fabric composed of continuous strands of material used for reinforcing or strengthening membranes.

A theater drop that appears opaque when a scene in front is lighted and transparent or translucent when a scene in back is lighted.

A sheet of gauze etc. used to reduce the intensity of light.

Thin canvas glued on the inside of panels to prevent shrinking, checking, etc.

To use a scrim.

A practice match between one or more organized teams usually in preparation for a more competitive format, such as a tournament.

To participate in a scrim.

Source: wiktionary.org