Merriam-Webster's Advanced Learner's Dictionary:
fourteen
four·teen /foɚˈtiːn/ noun, pl -teens [count] : the number 14
- fourteen adj
• fourteen days
- fourteen pronoun
• Fourteen (of them) are gone.
- four·teenth /foɚˈtiːnɵ/ noun, pl -teenths [count]
• The bill is due on the fourteenth (of the month).
• one fourteenth of the total
- fourteenth adj
• I finished (the race) in fourteenth place.
- fourteenth adv
• I finished fourteenth in the race.
• the nation's fourteenth largest city