noun

• (theater) A theater drop that appears opaque when a scene in front is lighted and transparent or translucent when a scene in back is lighted.
  "Mummified mannequins dangling above the set, illuminated from within, were a heavy-handed touch, but the designer George Tsypin’s translucent scrims and painted drops beautifully conveyed the passage of sun-blasted days and bone-chilling nights on the edge of civilization."
• (photography) A sheet of gauze etc. used to reduce the intensity of light.

verb

• (photography) To use a scrim.

noun

• (online gaming) A practice match between one or more organized teams usually in preparation for a more competitive format, such as a tournament.
  "As a team, the players decided to focus less on streaming (a major source of income) and more on in-house scrims, VOD review and practice, hoping to become a better team."

verb

• (online gaming) To participate in a scrim.
  "Accusations of him drinking instead of scrimming with the team, not attending practices at all and playing guitar instead of scrimming surfaced."