The description of the word you requested from the astronomical dictionary is given below.
A moon of 100 km diameter at about 139,400 km from the planet Saturn. The gravity at its surface is about 0.0005 times as strong as on Earth. The moon goes once around its planet in about 14.8 hours. The moon was discovered in 1980. Also called SXVI (Saturn sixteen). Its provisional designation was S/1980 S27.