1. (

• moment ,
• mo ,
• minute ,
• second ,
• bit

) an indefinitely short time; "wait just a moment"; "in a mo"; "it only takes a minute"; "in just a bit" ;

2. (

• molybdenum ,
• Mo ,
• atomic_number_ ,

) a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel ;

3. (

• Missouri ,
• Show_Me_State ,
• MO ,
• Mo.

) 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 ;