Definition of Jacob
1
in the Bible
: a son of Isaac and Rebekah, the twin brother of Esau, and heir of God's promise of blessing to Abraham
2
: the ancient Hebrew nation
Keep scrolling for more
Test Your Vocabulary
The Exceptions Quiz III
-
- Which of these words does not mean "nonsense"?

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share Jacob
Time Traveler for Jacob
The first known use of Jacob was before the 12th century
See more words from the same century