Define fifteenth. fifteenth synonyms, fifteenth pronunciation, fifteenth translation, English dictionary definition of fifteenth. n. 1. The ordinal number matching the number 15 in a series. 2. One of 15 equal parts. fif·teenth′ adv. & adj. American He
Define fifteenths. fifteenths synonyms, fifteenths pronunciation, fifteenths translation, English dictionary definition of fifteenths. n. 1. The ordinal number matching the number 15 in a series. 2. One of 15 equal parts. fif·teenth′ adv. & adj. Americ