/ Dictionary / Index S seventh: Meaning and Definition of Find definitions for: sev•enth Pronunciation: (sev'unth), [key] — adj. next after the sixth; being the ordinal number for seven. being one of seven equal parts. —n. a seventh part, esp. of one (). the seventh member of a series. a tone on the seventh degree from a given tone (counted as the first). the interval between such tones. the harmonic combination of such tones. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seventh (Thesaurus) seventeen-year locust Seventh Amendment Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language