ˌsakəˈgläsə, ˌsāk-, -lȯsə noun plural
Usage: capitalized
Etymology: New Latin, from saco- (from Greek sakos shield) + -glossa; akin to Sanskrit tvak skin, hide
in some classifications : a division of Opisthobranchia including sea slugs (family Elysiidae) that are usually placed in the suborder Nudibranchia