square yard

The square yard is an imperial/US customary (non-metric) unit of area, formerly used in most of the English-speaking world but now generally replaced by the square metre outside of the US. It is defined as the area of a square with sides of one yard (three feet, thirty-six inches, 0.9144 metres) in length.
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Noun
1. a unit of area equal to one yard by one yard square
(synonym) sq yd
(hypernym) area unit, square measure

IARDA QUADRATA