festoon

 
Pronunciation: /fɛˈstuːn/

noun

  • 1a chain or garland of flowers, leaves, or ribbons, hung in a curve as a decoration.
  • a carved or moulded ornament representing a festoon.
  • 2a Eurasian butterfly or moth patterned with dark arcs on a lighter background:
    • a large yellowish butterfly with black and red markings (Zerynthia and other genera, family Papilionidae). a small brown moth (Apoda avellana, family Limacodidae).

verb

[with object] (often be festooned with)
  • adorn (a place) with chains, garlands, or other decorations: the staffroom was festooned with balloons and streamers

Origin:

mid 17th century: from French feston, from Italian festone 'festal ornament', from festum, (plural) festa 'feast'