Fif"teenth`, n. 1. One of fifteen equal parts or divisions; the
quotient of a unit divided by fifteen.
2. A species of tax upon personal property formerly laid on towns,
boroughs, etc., in England, being one fifteenth part of what the
personal property in each town, etc., had been valued at. Burrill.
3. (Mus.) (a) A stop in an organ tuned two octaves above the diaposon.
(b) An interval consisting of two octaves.
Fifth (?), a. [OE. fifte, fifthe, AS. ffta. See Five.] 1. Next in order
after the fourth; -- the ordinal of five.