noun: (US, informal) A girl's sixteenth birthday, or sixteenth-birthday party and a related coming of age party.
noun: (bingo) sixteen
noun: (basketball, US, informal) The sixteen teams participating in the regional semifinals of the NCAA Division I tournament, one of whom will become the national champion.
noun: (basketball, US, informal) The round of the NCAA Division I basketball tournament where all but 16 teams have been eliminated.
noun: (basketball, US, informal) An appearance in the Sweet Sixteen.
