The term 'Aquatic Frolicer' can be summed up by the crossword solution of 'Otter'. Otters are semi-aquatic mammals that are found in many parts of the world, including North America, Europe, Asia, and Africa. They are known for their playful behavior, often seen frolicking in the water. They are also very social animals, living in groups and communicating with each other through vocalizations and body language. Otters are an important part of aquatic ecosystems, helping to keep the environment healthy by eating fish, crabs, and other aquatic creatures.