A compass is a tool with a magnetic needle that points toward the Earth’s north, used for finding direction. It can also mean the range or limits of something, like someone’s emotional or moral compass.
From Old French *compas* “circle, measure,” from Late Latin *compassare* “to pace out,” from *com-* “together” + *passus* “step.” The navigation tool got its name from its circular shape and role in measuring direction.
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