pavilion
1. pa.vil.ion \p*-'vil-y*n\ n [ME pavilon, fr. OF paveillon, fr. L papilion-, papilio] butterfly; akin to OHG fi-faltra butterfly, Lith petelishachek>ke flighty 1a: a large often sumptuous tent 1b: something resembling a canopy or tent 2a: a part of a building projecting from the rest 2b: one of several detached or semidetached units into which a building is sometimes divided 3a: a light sometimes ornamental structure in a garden, park, or place of r ecreation that is used for entertainment or shelter 3b: a temporary structure erected at an exposition by an individual exhibit or 4: the lower faceted part of a brilliant between the girdle and the culet 2. pavilion vt : to furnish or cover with or put in a pavilion
Webster's English Dictionary