pavilion

(pə-vĭlˈyən)

1. An ornate tent.
2. a. A light, sometimes ornamental roofed structure, used for amusement or shelter, as at parks or fairs: a picnic pavilion.
   b. A usually temporary structure erected at a fair or show for use by an exhibitor: the French pavilion at the World's Fair.
   c. A large structure housing sports or entertainment facilities; an arena.
3. A structure or another building connected to a larger building; an annex.
4. One of a group of related buildings forming a complex, as of a hospital.
5. The lower surface of a brilliant-cut gem, slanting outward from the culet to the girdle.

1. To cover or furnish with or as if with a pavilion.
2. To put in or as if in a pavilion.

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pavilion

brilliant-cut gemstone