| Main Entry: | brain freeze |
| Part of Speech: | n |
| Definition: | a sudden feeling of pain in the forehead or temples, esp. when eating or drinking cold items, caused by the temporary narrowing of the arteries as a result of the rapid cooling of the hard palate; also called [ice cream headache] |
| Example: | brain freeze from the slushy |
| 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. |
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