I. ˈsevən(t)th, ˈsev ə mth, ˈseb ə m- adjective
Etymology: Middle English seventhe, alteration (influenced by seven ) of sevethe, from Old English seofotha (akin to Old High German sibunto seventh, Old Norse sjaundi, sjundi ), from seofon seven + -tha -th — more at seven
1. : being number seven in a countable series
the seventh day
— see number table
2. : being one of seven equal parts into which something is divisible
a seventh share of the money
II. noun
( plural sevenths )
1. : number seven in a countable series
the seventh of the month
2. : the quotient of a unit divided by seven : one of seven equal parts of something
one seventh of the total
3.
a. : a musical interval embracing seven diatonic degrees
b. : a tone at this interval ; specifically : the seventh tone of a scale : leading tone
c. : the harmonic combination of two tones a seventh apart
4. : septime
III. adverb
1. : in the seventh place
2. : with six exceptions
the nation's seventh largest city