|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
in government and law, an addition or alteration made to a constitution, statute, or legislative bill or resolution. Amendments can be made to existing constitutions and statutes and are also commonly made to bills in the course of their passage through a legislature. Since amendments to a national constitution can fundamentally change a country's political system or governing institutions, such amendments are usually submitted to an exactly prescribed procedure
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