
1) Media study 2) Societal practices
Found on
https://www.crosswordclues.com/clue/popular-culture

the study of cultural artefacts of the mass media such as cinema, TV, advertising.
Found on
http://brianair.wordpress.com/film-theory/glossary-of-media-terminology/

Popular culture is the entirety of ideas, perspectives, attitudes, memes, images, and other phenomena that are within the mainstream of a given culture, especially Western culture of the early to mid 20th century and the emerging global mainstream of the late 20th and early 21st century. Heavily influenced by mass media, this collection of ideas p...
Found on
http://en.wikipedia.org/wiki/Popular_culture

cultural patterns that are widespread among a society's population
Found on
http://wps.pearsoned.co.uk/wps/media/objects/2143/2195136/glossary/glossary

culture and knowledge passed on through mass media, magazines, television, radio, Internet.
Found on
https://www.louisianavoices.org/edu_glossary.html
No exact match found.