oh hampden in the sun, celtic 7 rangers 1 is a line from a song celebrating the most famous old firm derby match ever played
"celtic fc are the most famous football club in scotland with the largest following and the biggest football stadium in the country with a 60,800 capacity
"oh hampden in the sun, celtic 7 rangers 1 is a line from a song celebrating the most famous old firm derby match ever played" What is the definition of "celtic"?