flipcap
nounUK /ˈflɪp.kæp/
US /ˈflɪp.kæp/
A flipcap is a cap that you can open and close by flipping a small lid.
He opened the flipcap on his water bottle to take a drink.
OTHER MEANINGS
2. A small plastic lid attached by a hinge that flips open, often found on shampoo or lotion bottles.
The shampoo bottle has a flipcap so you can squeeze out the soap easily.
3. A type of bottle top used on sports drinks that lets you drink without removing the whole cap.
She twisted open the flipcap on her sports drink during the race.
4. A cap on a pen or marker that flips open and stays attached.
The marker's flipcap keeps the ink from drying out.