The description of the word you requested from the astronomical dictionary is given below.
A moon of 7 km diameter at about 18,685,000 km from the planet Saturn. The gravity at its surface is about 0.0001 times as strong as on Earth. The moon goes once around its planet in about 954.1 days. The moon was discovered in 2000. Also called SXXV (Saturn twenty-five). Its provisional designation was S/2000 S9.