Pronunciation: (sev'unth), [key]
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 (1/7).
2. the seventh member of a series.
a. a tone on the seventh degree from a given tone (counted as the first).
b. the interval between such tones.
c. the harmonic combination of such tones.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.