1) Collie comber 2) Dog show worker 3) Lab personnel 4) Pet prettifier 5) Pooch prettifier 6) Shelter staffer 7) Stable brush 8) Stable hand 
• (n.) One who, or that which, grooms horses; especially, a brush rotated by a flexible or jointed revolving shaft, for cleaning horses.
Groom'er noun One who, or that which, grooms horses; especially, a brush rotated by a flexible or jointed revolving shaft, for cleaning horses. 
A groomed trail at a ski resort that is manicured by machine, often creating a corduroy pattern in the snow.