The cardinal number occurring after fifteen and before seventeen, represented in Arabic numerals as 16 and in Roman numerals as XVI.

plural of sixteen

(historical) During the American Civil War, a child who, having reached the age of 16, was discharged from a soldiers' orphan school.

plural of sixteener

(US, informal) A girl's sixteenth birthday, or sixteenth-birthday party and a related coming of age party. / (bingo) sixteen

(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.

The start of the seventeenth hour of the day on the 24-hour clock i.e. 16:00. / The number one thousand six hundred. / The year 1600.

plural of sweet sixteen

(sports) The round in a knockout competition before the quarterfinal, in which sixteen teams or competitors remain.

plural of last sixteen