| potter's wheel | |
| —n | |
| a device with a horizontal rotating disc, on which clay is shaped into pots, bowls, etc, by hand | |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |