1.
one of four equal parts of something
2.
the ordinal number assigned to item number four in a series
3.
in a standard musical scale, the interval between one note and another that lies three notes above or below it.
4.
in a standard musical scale, a note that is a fourth away from another note
1.
one of four equal parts of something
2.
the ordinal number assigned to item number four in a series
3.
in a standard musical scale, the interval between one note and another that lies three notes above or below it.
4.
in a standard musical scale, a note that is a fourth away from another note