push-fit lid
nounUK /pʊʃ fɪt lɪd/
US /pʊʃ fɪt lɪd/
A lid you press down to close a box or cup.
She put the push-fit lid on the lunch box.
OTHER MEANINGS
2. A lid that stays on by friction, not by screws or hinges.
The paint can has a push-fit lid that pops off with a tool.
3. A cover you press into place to keep food fresh.
Use the push-fit lid so the soup does not spill.
4. A tight cover that needs a firm push to close.
He pushed the push-fit lid until it clicked.