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Ca·nis n.; pl. Canes Zool. A genus of carnivorous mammals, of the family Canidæ, including the dogs and wolves.
Canis major [L., larger dog], a constellation to the southeast of Orion, containing Sirius or the Dog Star.
Canis minor [L., smaller dog], a constellation to the east of Orion, containing Procyon, a star of the first magnitude.