Ululation (noun)

A long, high-pitched, wavering cry or howl, typically made as a sign of joy or excitement.

Origin:

From french ululation, from latin ululatio, from ululare ("to howl, to wai.l")

Examples:

1. The ululation of the crowd filled the stadium after the home team scored a touchdown.
2. The ululation of the wolves echoed through the forest at night.
3. The bride's ululation was a traditional way of expressing happiness at a wedding in her culture.
4. The ululation of the muezzin called the faithful to prayer.
5. The ululation of the performers filled the auditorium with musical excitement.