Related Clues:

• Purr producer
• Fido's nemesis
• Home companion, for some
• Lynx or lion
• It's kept for companionship
• Family adoptee
• Windowsill sitter
• Fido or Fluffy
• Heathcliff, e.g.
• Cuddle
• Collared one
• Guinea pig, often
• Burmese, for one
• Chihuahua, for one
• One eyeing a canary, maybe