|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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