| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
khafre
fourth king of the 4th dynasty (c. 2575-c. 2465 BC) of Egypt and builder of the second of the three Pyramids of Giza.
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