any of various forms of team game involving kicking (and in some cases also handling) a ball, in particular (in the UK) soccer or (in the US) American football

he started playing football when he was 5

she had initially planned to pursue a career in football

a football club

a football match

a ball used in football, either round (as in soccer) or oval (as in rugby and American football) and typically made of leather or plastic and filled with compressed air

a briefcase containing authentication codes and other items that allow the US president to authorize a nuclear strike at any time

wherever the president travels, a military aide stays close with the football

whose fingers would we prefer to have on America's nuclear football?