festoon

verb
UK /fɛˈstuːn/
US /fɛˈstuːn/

To decorate something with long chains of flowers, paper, or lights.

They festooned the gym with colorful paper chains for the party.


OTHER MEANINGS

2. A long chain of flowers, leaves, or ribbons hung as decoration.

A festoon of roses hung above the doorway.

3. A curved decorative piece of carved wood or stone on a building.

The old theater had stone festoons above the stage.

4. To hang something in a curve between two points.

Lights were festooned across the street for the festival.