fourth

(fôrt̸h, fōrt̸h)

adjective

Origin: ME feorthe, ferthe < OE feortha: see four & -th

noun

the one following the third
any of the four equal parts of something;
Music
1. the fourth tone of an ascending diatonic scale, or a tone three degrees above or below any given tone in such a scale; subdominant
2. the interval between two such tones, or a combination of them

adverb

in the fourth place, rank, group, etc.

Related Forms:

See fourth in American Heritage Dictionary 4

noun

The ordinal number matching the number four in a series.
One of four equal parts.
Music
a. A tone four degrees above or below a given tone in a diatonic scale.
b. The interval between two such tones.
c. The harmonic combination of these tones.
d. The subdominant of a scale or key.
The transmission gear or gear ratio used to produce forward speeds next higher to those of third in a motor vehicle.
Fourth The Fourth of July; Independence Day. Used with the: went to a parade on the Fourth.