Related Clues:

• Purring male
• Male meower
• The Rum Tum Tugger, e.g.
• Pound escapee, maybe
• Alley wanderer
• Male with whiskers
• Future adoptee, perhaps
• Male domestic feline
• Male feline
• A male domestic feline
• When his coat has gone he might be said to sound empty
• Take his beastly coat away and empty what's left, by the sound of it.
• For him, see 14 down
• He goes to and fro in 11 across
• There's nothing beastly motherly about it