Procyon \Pro"cy*on\, n. [L., a constellation which rises before the Dog Star, Gr. ?; ? before + ? a dog. ] 1. (Astron.) A star of the first magnitude in the constellation Canis Minor, or the Little Dog. 2. (Zo["o]l.) A genus of mammals including the raccoon.
Procyon n 1: the brightest star in Canis Minor 2: the type genus of the family Procyonidae: raccoons [syn: {genus Procyon}]