flutter

US /ˈflʌt̬.ɚ/
UK /ˈflʌt̬.ɚ/
"flutter" picture
1.

fly unsteadily or hover by flapping the wings quickly and lightly

:
Butterflies fluttered among the flowers.
The bird fluttered its wings before taking off.
2.

move or fall with a light, irregular, or trembling motion

:
The curtains fluttered in the breeze.
Her heart began to flutter with excitement.
1.

a quick, light, and irregular movement

:
She felt a flutter in her stomach.
There was a sudden flutter of wings as the birds took flight.