Petco is a well-known retail chain that specializes in products and services for pets, particularly dogs. It offers a wide range of pet supplies, including food, toys, accessories, and grooming products. Additionally, Petco provides various services such as pet grooming, training, and veterinary care. It is considered useful for dog owners as they can find everything they need in one place to meet their dogs' needs.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Competitor of Chewy. Explanations are generated by AI and may be inaccurate.