[/ˈbɔːrdʌn/]

Definitions

1. noun

A low, dull, sustained musical note, often used in film or theater to create a sense of tension or foreboding.

“The sound designer used a continuous bordun to build anticipation for the dramatic scene.”

2. verb

To play or sing a low, dull, sustained musical note, often in a manner that is ominous or foreboding.

“The orchestra bordunned in the background, creating a sense of unease before the main event.”