flutter
US /ˈflʌt̬.ɚ/
UK /ˈflʌt̬.ɚ/

1.
1.
arrepio, bater
a quick, light, and irregular movement
:
•
She felt a flutter in her stomach.
Ela sentiu um arrepio no estômago.
•
There was a sudden flutter of wings as the birds took flight.
Houve um súbito bater de asas quando os pássaros levantaram voo.