warble
US /ˈwɔːr.bəl/
UK /ˈwɔːr.bəl/

1.
kicauan, gemericik
a trilling or quavering vocal sound, especially that of a bird
:
•
The sweet warble of the nightingale filled the air.
Kicauan manis burung bulbul memenuhi udara.
•
She listened to the gentle warble of the stream.
Dia mendengar bunyi gemericik lembut sungai.