From WordNet (r) 3.0 (2006):
MS
n 1: a chronic progressive nervous disorder involving loss of
myelin sheath around certain nerve fibers [syn: multiple
sclerosis, MS, disseminated sclerosis, disseminated
multiple sclerosis]
2: a state in the Deep South on the gulf of Mexico; one of the
Confederate States during the American Civil War [syn:
Mississippi, Magnolia State, MS]
3: a master's degree in science [syn: Master of Science, MS,
SM, MSc]
4: the form of a literary work submitted for publication [syn:
manuscript, ms]
5: a form of address for a woman [syn: Ms, Ms.]