Canis Minor

Wiktionary

1. n. A small winter constellation of the northern sky, said to resemble a dog following the hunter Orion. It is most notable for including the eighth brightest star in the night sky, Procyon.

GNU Webster's 1913

1. n. a constellation to the east of Orion, containing Procyon, a star of the first magnitude.

WordNet 3.0

1. n. a constellation to the east of Orion; contains Procyon