1. festoon - Noun
2. festoon - Verb
A garland or wreath hanging in a depending curve, used in decoration for festivals, etc.; anything arranged in this way.
A carved ornament consisting of flowers, and leaves, intermixed or twisted together, wound with a ribbon, and hanging or depending in a natural curve. See Illust. of Bucranium.
To form in festoons, or to adorn with festoons.
Source: Webster's dictionaryThe public buildings were festooned for the holiday Source: Internet
Festoon the tree with Jamaican flags. Source: Internet