Definition of seventh
1
: one that is number seven in a series — see Table of Numbers
2a
: a musical interval embracing seven diatonic degrees
c
: the harmonic combination of two tones a seventh apart
Test Your Vocabulary
Eponyms: Words Named After People
-
- What is the best definition of boycott?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share seventh
Time Traveler for seventh
The first known use of seventh was in the 14th century
See more words from the same century