1. plural of seventeen; the numbers or things numbered seventeen
2. people who are seventeen years old

Examples

• The lottery numbers included two seventeens this week.
• She collected all the seventeens from the deck of cards.
• The seventeens in our class are planning a special celebration.
• Among the test scores, there were three seventeens out of twenty.
• The coach divided the seventeens into separate training groups.
• All the seventeens must have parental permission for the trip.