What is the meaning of Cheer?

A cheerful attitude; happiness; a good, happy, or positive mood.

That which promotes good spirits or cheerfulness, especially food and entertainment prepared for a festive occasion.

A cry expressing joy, approval or support, such as "hurrah".

A chant made in support of a team at a sports event.

One's facial expression or countenance.

One's attitude, mood.

To gladden; to make cheerful; often with up.

To infuse life, courage, animation, or hope, into; to inspirit; to solace or comfort.

To encourage to do something.

To applaud or encourage with cheers or shouts.

To feel or express enthusiasm for (something).

Cheerleading, especially when practiced as a competitive sport.

Source: wiktionary.org