Definition of Ursa Major
: a constellation that is the most conspicuous of the northern constellations, is situated near the north pole of the heavens, and contains the stars forming the Big Dipper two of which are in a line indicating the direction of the North Star
— called also Great Bear
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Merriam-Webster unabridged
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Time Traveler for Ursa Major
The first known use of Ursa Major was circa 1627
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