Nouns

(n)festoona curtain of fabric draped and bound at intervals to form graceful curves
(n)festoonan embellishment consisting of a decorative representation of a string of flowers suspended between two points; used on pottery or in architectural work
(n)festoon, festooneryflower chains suspended in curves between points as a decoration

Verbs

(v)festoondecorate with strings of flowers“The public buildings were festooned for the holiday”