1. Sirius, the brightest of the stars, whose rising and setting with the sun gave name to the dog-days.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• sog star,
• xog star,
• eog star,
• dig star,
• dkg star,
• dlg star,
• dpg star,
• d0g star,
• d9g star,
• dof star,
• dov star,
• dob star,
• doh star,
• doy star,
• dot star,
• dog atar,
• dog ztar,
• dog xtar,
• dog dtar,
• dog etar

The adjective form of "dog star" is "Canine" or "Cynical".