seventh: Meaning and Definition of

sev•enth

1. next after the sixth; being the ordinal number for seven.
2. being one of seven equal parts.

1. a seventh part, esp. of one ().
2. the seventh member of a series.
1. a tone on the seventh degree from a given tone (counted as the first).
2. the interval between such tones.
3. the harmonic combination of such tones.