1) Hinged visual aid 2) Presentation prop 3) Sales meeting visual aid 4) Visual aid on an easel 
A flip chart is a stationery item consisting of a pad of large paper sheets. It is typically fixed to the upper edge of a whiteboard, typically supported on a tripod or four-legged easel. Such charts are commonly used for presentations. The flip chart is thought to have been invented by Peter Kent who built one to help him in a presentation. He we...
[n] - a chart with several sheets hinged at the top
noun a chart with several sheets hinged at the top; sheets can be flipped over to present information sequentially
a set of sheets, as of cardboard or paper, hinged at the top so that they can be flipped over to show information or illustrations in sequence.