Festoons

Definition: a wreath, garland, or other ornamental hanging draped between two points

Festoons of lights

(Credit: festive-lights.com)

As a verb, “festoon” means to hang something in a decorative fashion, or just to decorate in general, as if for a party or celebration.

Why I Looked It Up

In a book about India in the early 20th century:

the twilight passes quickly, festoons of electric light make a dazzle on a hundred tea-tables…