17 17 /sɛvənˈtin/

adjective

1. () Being one more than sixteen  ( xvii , 17 , seventeen )
   being one more than sixteen
     The seventeen-year-old driver received their license.
   The seventeen-year-old driver received their license.
   

noun

1. () The cardinal number that is the sum of sixteen and one  ( seventeen , XVII , 17 )
   the cardinal number that is the sum of sixteen and one
    He was seventeen when he got his driver's license
   He was seventeen when he got his driver's license