Optation
Op*ta"tion\, n. [L. optatio. See Option.] The act of optating; a wish. [Obs.] --Sir T. Browne.| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
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