From WordNet (r) 3.0 (2006):
mo
n 1: an indefinitely short time; "wait just a moment"; "in a
mo"; "it only takes a minute"; "in just a bit" [syn:
moment, mo, minute, second, bit]
2: a polyvalent metallic element that resembles chromium and
tungsten in its properties; used to strengthen and harden
steel [syn: molybdenum, Mo, atomic number 42]
3: a midwestern state in central United States; a border state
during the American Civil War, Missouri was admitted to the
Confederacy without actually seceding from the Union [syn:
Missouri, Show Me State, MO]