flap
US /flæp/
UK /flæp/

1.
nắp, tấm che, cánh
a piece of something thin, such as cloth, paper, or metal, that is attached to a main part along one side but is free on the other sides, and can be lifted up or folded
:
•
He lifted the tent flap and peered inside.
Anh ấy nhấc tấm che lều lên và nhìn vào bên trong.
•
The envelope had a sticky flap.
Phong bì có một nắp dính.
1.