Aquatic is a term used to describe anything related to water, and the following crossword solutions are all related to this concept. MARINE is a six-letter word meaning relating to the sea or ocean, while NAUTICAL is an eight-letter word meaning relating to ships, sailing, or navigation. WATERY is another six-letter word meaning full of or abounding in water, and MARITIME is an eight-letter word meaning relating to the sea, especially with regard to navigation, shipping, or naval matters. Natatory is an eight-letter word meaning relating to swimming, and OCEANIC is a seven-letter word meaning relating to the ocean. Otter is a five-letter word referring to a semiaquatic mammal, and otters is a six-letter word referring to more than one of these animals.