| screw top | |
| —n | |
| 1. | a lid with a threaded rim that is turned on the corresponding thread on the neck of a bottle or container to close it securely |
| 2. | a bottle or container having such a lid |
| 'screw-top | |
| —adj | |
| 'screw-topped | |
| —adj | |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |