Water stoma, also known as hydathode, is a tiny pore or opening in a leaf or stem of a plant that releases water droplets. There are several synonyms for this term, such as water pore, water spout, water secretion, and water outlet. The primary function of water stomata is to regulate the water balance of the plant by releasing excess water in the form of droplets. Other synonyms for water stoma include transpiration pore and sweat pore. These terms are commonly used in botanical studies and research to describe the specific structures responsible for water transport and regulation in plants.