- Next in order after the fourth; -- the ordinal of five. - Consisting of one of five equal divisions of a thing.
2 . Fifth
[ n.]
- The quotient of a unit divided by five; one of five equal
parts; a fifth part. - The interval of three tones and a semitone, embracing five
diatonic degrees of the scale; the dominant of any key.
Meaning of 'fifth' (Princeton's WordNet)
1 . fifth
[ n]
Meaning (1): - position five in a countable series of things