Fif″teenth′ (?), a. [OE. fiftenthe; cf. fiftethe, AS. fīfteōða. See Fifteen.] 1. Next in order after the fourteenth; — the ordinal of fifteen.
2. Consisting of one of fifteen equal parts or divisions of a thing.
Webster's Dictionary 1913
Fif″teenth′ (?), a. [OE. fiftenthe; cf. fiftethe, AS. fīfteōða. See Fifteen.] 1. Next in order after the fourteenth; — the ordinal of fifteen.
2. Consisting of one of fifteen equal parts or divisions of a thing.