Georges Charensol's Panorama du cinema, originally published in 1927, […] was the bible of devotees of the seventh art.

Because of the inherent interdisciplinarity of studying film—once called, appositely, the "seventh art"—film studies was among the first disciplines to embrace such theories and methodologies as feminism, semiotics, and structuralism.

With some 40,000 professionals in attendance, Cannes is the world's largest annual convention, and a yearly thermometer for the temperature of the seventh art.

Seventh art

Meaning

Noun