Definition of ff:
(n) :
(automotive) The Ferrari FF (Ferrari Four), an all-wheel drive grand tourer by Ferrari.
(n) :
(video games) Initialism of Final Fantasy.
(n) :
(Internet) Initialism of Firefox. [(software) A free, open-source, cross-platform, graphical web browser, developed by the Mozilla Foundation.]
(n) :
Initialism of Fianna Fáil, an Irish political party. [A conservative Irish political party founded in the 1920s.]
(n) :
Initialism of Family First, an Australian political party.
(n) :
(computing) Initialism of form feed. [(computing) A control character traditionally used to cause the printer to eject the current page of output and start a new page, more recently equivalent to a carriage return.]