noun

1. a large tent, usually with a peaked top
2. 1. a building or part of a building, often partly open and highly ornamented, used for entertainment, exhibits, etc., as at a fair or park
   2. a decorative shelter or summerhouse
3. part of a building jutting out from the main part and often ornamented
4. any of the separate or connected parts of a group of related buildings, as of a hospital or sanitarium
5. the part of a brilliant-cut gem between the girdle and the culet

Etymology: ME pavilon < OFr pavillon < L papilio, butterfly, also tent (from its shape): see papilionaceous

transitive verb