ˌʌljʊˈleɪʃən

Definitions

1. noun

a long, drawn-out cry of lamentation or triumph, especially a repeated cry of a female animal, such as a donkey or a bird

“The sound of the sirens echoed through the night, their ululation a haunting reminder of the city’s dangers.”

2. verb

to produce a high-pitched, wailing cry, especially repeatedly

“The crowd began to ululate as the concert came to an end, cheering and whistling in appreciation of the music.”