(now rare) The materials needed to construct a picture frame. / The act of setting a painting, photograph etc. in a frame.

plural of frame-up

(photography) An indicator, in roll film cameras, that shows the number of frames that have moved through the camera (number of exposures taken).

(agriculture, horticulture) A transparent-roofed enclosure, built low to the ground, used to protect plants from cold weather.

plural of cold frame

plural of space frame

(UK) A piece of playground equipment consisting of a set of interlinked bars on which children can climb.

plural of climbing frame

plural of frame of reference

(now historical) A water-powered spinning machine, especially of the kind invented by British industrialist Richard Arkwright.