medium-size (adjective)

1. The film I watched last night had a medium-size auditorium with just the right amount of seating.

2. She received a bouquet of medium-size roses from her admirer.

3. The novel featured a medium-size town as the setting, where the protagonist lived a simple life.

4. The signing of the medium-size Treaty of Versailles in 1919 marked the end of World War I.