Fourth , n.
1. 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.
2. (Mus.) The interval of two tones and a
semitone, embracing four diatonic degrees of the scale; the subdominant of any key.
The Fourth, specifically, in the United States, the fourth day of July, the anniversary of the declaration of American independence;
as, to celebrate the Fourth.
Fourth (?), a. [OE.
fourthe, ferthe, feorthe, AS. feórða, fr. feówer four.]
1. Next in order
after the third; the ordinal of four.
2. Forming one of four equal
parts into which anything may be divided.
Hear it pronounced