noun A picture or series of pictures painted on three tablets connected by hinges.
noun A group of three people or works, especially when considered representative of a particular field or theme. A film or video sequence intended to be shown on a triple screen with the use of linked projectors. A set of three se-tenant postage stamps that form a composite picture.
noun A film or video sequence intended to be shown on a triple screen with the use of linked projectors.
noun A set of three se-tenant postage stamps that form a composite picture.
noun Any set of three closely connected ideas or objects.