mo

noun

1. 1

   an indefinitely short time

   wait just a moment

   in a mo

2. 2

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

   wait just a moment

   in a mo

3. 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

   wait just a moment

   in a mo