Lily ponds are small, shallow bodies of water that are typically inhabited by lilies and other aquatic plants. They are often used in landscaping and water gardening, as they provide a peaceful and serene atmosphere. There are several synonyms for the word "lily ponds," including water gardens, aquatic gardens, koi ponds, and lily pools. These terms are often used interchangeably, and each refers to a different type of water feature. Water gardens and aquatic gardens can refer to any type of water feature, while koi ponds are specifically designed to house koi fish. Lily pools, on the other hand, are typically small, shallow pools that are specifically designed for lilies and other aquatic plants.