position 14 in a countable series of things
"The fourteenth car in the race was an old Ford Mustang that managed to overtake several faster vehicles near the finish line."
The person or thing in the fourteenth position.
"After waiting for thirteen other candidates, she realized she was the fourteenth person to interview that morning."
coming next after the thirteenth in position
"She finished her presentation as the fourteenth speaker at the conference, following directly behind the third panelist from Japan."
The ordinal form of the number fourteen.
"She was born on the fourteenth of May, making her birthday fall right in the middle of spring."
Fourteenth comes from Middle English and Old English, where it was formed by combining the word for fourteen with a suffix meaning "th." This construction originally indicated the ordinal position of the fourteenth item in a sequence.