A square is a flat shape with four equal sides and four right angles. It can also mean an open, usually four-sided public space in a town, or describe something fair, honest, or old-fashioned.
From Old French “esquarre” meaning “square, rule, measure,” from Vulgar Latin *“exquadra,” related to Latin “quadrum” meaning “a square.” The idea is based on the number four and right angles.
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