[天]南河三(小犬座α)

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.