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| 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. |
boustrophedon
the writing of alternate lines in opposite directions, one line from left to right and the next from right to left. Some Etruscan texts are written in boustrophedon style, as are some Greek ones of about the 6th century BC. The word is from the Greek boustrophedon, meaning literally "to turn like oxen" (in plowing).
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