pavilion

Concise Oxford English Dictionary © 2008 Oxford University Press:
pavilion/pəˈvɪliən/

▶noun

• 1 Brit. a building at a cricket ground or other sports ground used for changing and taking refreshments.

• 2 a summer house or other decorative shelter in a park or large garden.

  ■ a marquee with a peak and crenellated decorations, used at a show or fair.

  ■ a temporary stand in which items are displayed at a trade exhibition.

• 3 a detached or semi-detached block at a hospital or other building complex.

– origin ME: from OFr. pavillon, from L. papilio(n-) ‘butterfly or tent’.