- Next in order after the third; the ordinal of four. - Forming one of four equal parts into which anything may be
divided.
2 . Fourth
[ n.]
- One of four equal parts into which one whole may be
divided; the quotient of a unit divided by four; one coming next in
order after the third. - The interval of two tones and a semitone, embracing four
diatonic degrees of the scale; the subdominant of any key.
Meaning of 'fourth' (Princeton's WordNet)
1 . fourth
[ n]
Meaning (1): - one of four equal parts
Example in sentence:
a quarter of a pound
2 . fourth
[ r]
Meaning (2): - in the fourth place
Example in sentence:
fourthly, you must pay the rent on the first of the month
3 . fourth
[ s]
Meaning (3): - coming next after the third and just before the fifth in position or time or degree or magnitude
Example in sentence:
the quaternary period of geologic time extends from the end of the tertiary period to the present