Hydatoscopy refers to the divination of future events through the interpretation of water. Some synonyms for hydatoscopy include divination, water scrying, hydroscrying, aquamancy, and hydromancy. Divination involves gaining insight or guidance through mystical means while water scrying is the practice of gazing into a bowl of water to seek prophetic visions or messages. Hydroscrying and aquamancy refer to various forms of water divination using means such as interpreting the movement of water or the sound it makes. Similarly, hydromancy is an umbrella term for divination practices involving water. All of these words relate to the practice of gaining mystical knowledge and guidance through water divination.