Procyon definition, Procyon meaning | English dictionary

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      n   the brightest star in the constellation Canis Minor, a binary with a very faint companion. Visual magnitude: 0.4; spectral type: F3; distance: 11 light years  
     (C17: via Latin from Greek Prokuon literally: before the Dog, from pro-2 + kuon dog; so named because it rises just before Sirius, the Dog Star)  
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