A stadium yell is a loud, enthusiastic CHEER that is often used in sports stadiums to show support for a team. It is usually led by a cheerleader or mascot and is often accompanied by clapping and stomping. The term 'stadium yell' can also refer to the sound of the crowd cheering together. The crossword solution for the term 'stadium yell' is CHEER, which is an appropriate word to describe the loud, enthusiastic sound of a crowd cheering together.