Related Clues:

• Harass, in a way
• See 68-Across
• One may sit for a master
• Brittany, for one
• It's found in a pound
• Boxer, for one
• Borzoi, for one
• See 46-Down
• Newton's Diamond, for one
• ?
• Follow relentlessly
• Goofy, e.g.
• Canine
• Pound resident
• Obedience school student