A metric unit of area equal to ten ares, or one thousand square meters.
From 'deka-' (ten) and 'are' (a metric unit of area). The are itself comes from Latin 'area.' This term is used primarily in agriculture and land measurement.
A dekare is roughly the size of two football fields—it's the unit farmers actually use when discussing land, which is why you see it on property documents in metric countries.
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