backing

plural backings

1. countableuncountableSupport, especially financial.

   It's a volunteer organization that works with backing from the city and a few grants.

2. countableuncountableA liner or other material added behind or underneath.

   The cardboard backing gives the notebook a little extra stiffness.

   2 more examples

   An old print was discovered some time ago in an arch at Waterloo Dock Goods Station[,] Liverpool, in use as a backing on which to write time sheets.

   1957 August 28, “Notes and News: Tithebarn Street Station, Liverpool”, in Railway Magazine, page 589

   In general, the locomotives are painted dark green; the numberplates are brass, with a red backing, and are usually carried on the tank side.

   1959 October, Norman Jones, “The Manchester Ship Canal Railway”, in Trains Illustrated, page 495

3. countableuncountablebroadcastingA backdrop.

   The simplest and cheapest answer is to introduce a scenic backing of some kind, a backdrop, a drape, some flats to restrict the shot and obscure whatever is outside.

   2013, Gerald Millerson, TV Scenic Design, page 134

4. countableuncountableentertainmentMusicians and vocalists who support the main performer.
5. countableuncountableThe mounting of a horse or other animal.
6. countableuncountableThe action of putting something back; a switching into reverse.

1. not comparableentertainmentProviding support for the main performer.

1. gerundparticiplepresentpresent participle and gerund of back