Fourth Definition
fôrth
noun
The one following the third.
Webster's New World
The ordinal number matching the number four in a series.
American Heritage
Any of the four equal parts of something;14
Webster's New World
The fourth tone of an ascending diatonic scale, or a tone three degrees above or below any given tone in such a scale; subdominant.
Webster's New World
The interval between two such tones, or a combination of them.
Webster's New World
Synonyms:
- quartern
- quarter
- fourth-part
- one-quarter
- one-fourth
- twenty-five-percent
adjective
Preceded by three others in a series; 4th.
Webster's New World
Designating any of the four equal parts of something.
Webster's New World
Designating the forward gear ratio of a motor vehicle next after third gear.
Webster's New World
Synonyms:
Other Word Forms of Fourth
Noun
Singular:
fourthPlural:
fourthsOrigin of Fourth
-
Middle English fourthe from Old English fēortha kwetwer- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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