A "large pavilion" refers to a spacious and open structure or building, often found outdoors. It is a place where people can gather, relax, or hold events, such as parties or weddings. Full definition
Qatar Airways previously had played a big role in the Dubai Air Show, reserving a large pavilion and displaying its latest aircraft to visitors. (fortune.com)
As expected, Hyundai had one of the largest pavilions at the 2018 Auto Expo. (team-bhp.com)
It has a high crown and a large pavilion, which means that a lot of the weight is contained in the depth. (creditdonkey.com)