Festoon

From French feston

Full definition of festoon

(plural festoons)

An ornament such as a garland or chain which hangs loosely from two tacked spots.
(architecture) A bas-relief, painting, or structural motif resembling such an ornament.

1963, Margery Allingham, The China Governess Chapter 1, The half-dozen pieces ... were painted white and carved with festoons of flowers, birds and cupids. To display them the walls had been tinted a vivid blue which had now faded, but the carpet, which had evidently been stored and recently relaid, retained its original turquoise.

A raised cable with light globes attached.
(astronomy) A cloud on Jupiter that hangs out of its home belt or zone into an adjacent area forming a curved finger-like image or a complete loop back to its home belt or zone.
(entomology) Any of a series of wrinkles on the backs of some ticks.
(technology) A specific style of electric light bulb consisting of a cylindrical enclosure with two points of contact on either end providing power to the filament or diode.

To hang ornaments, such as garlands or chains, which hang loosely from two tacked spots.
To make festoons.
To decorate or bedeck abundantly.

2005, Judith Martin, Miss Manners' guide to excruciatingly correct behavior, Norton, page 804:A mysterious woman who shows up at a funeral more droopily festooned in black than the widow is making what is known as a fashion statement.