1. (noun)multiple sclerosis, MS, disseminated sclerosis, disseminated multiple sclerosis a chronic progressive nervous disorder involving loss of myelinsheath around certain nerve fibers
2. (noun)Mississippi, Magnolia State, MS a state in the DeepSouth on the gulf of Mexico; one of the Confederate States during the American Civil War
3. (noun)Master of Science, MS, SM, MSc a master's degree in science
4. (noun)manuscript, ms the form of a literary work submitted for publication