WordWeb Online

1. (in Roman numerals, M written with a macron over it) denoting a quantity consisting of 1,000,000 items or units

1. The number that is represented as a one followed by 6 zeros
   - 1000000, one thousand thousand, meg
    
2. [informal] A very large indefinite number (usually hyperbole)
   "there were millions of flies";
   - billion [informal], trillion [informal], zillion [informal], jillion [N. Amer, informal], gazillion [informal], bazillion [N. Amer, informal], bajillion [informal], squillion [informal]

Derived forms: millions

See also: cardinal

Type of: large indefinite amount, large indefinite quantity, large integer

Encyclopedia: Million, Kentucky