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Sirius

noun Sir·i·us \ˈsir-ē-əs\

Definition of SIRIUS

:  a star of the constellation Canis Major that is the brightest star in the heavens —called also Dog Star
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Origin of SIRIUS

Middle English, from Latin, from Greek Seirios
First Known Use: 14th century

Other Astronomy Terms

gibbous, nadir, nebulous, penumbra, retrograde, sidereal, syzygy, wane, wax, zenith

Rhymes with SIRIUS

cereus, Nereus, serious

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