Definition of "Jacob"

Jacob

/ˈd͡ʒeɪkəb/

proper noun
1. One of the sons of Isaac and Rebecca, and twin brother of Esau; father of the Israelites (Jews and Samaritans) by 12 sons by 4 consorts, most famously Judah and Joseph who fathered Manasseh; was renamed to Israel.
  Quotations
  And the boyes grew; and Eſau was a cunning hunter, a man of the fielde: and Iacob was a plaine man, dwelling in tents.
  1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Genesis 25:27, column 2
2. A male given name from Hebrew.
  Quotations
  "Georgette. How are you called?" "Jacob." "That's a Flemish name." "American too." "You're not a Flamand?" "No, American." "Good, I detest Flamands." - - -Brett smiled at him. "I've promised to dance this with Jacob," she laughed. "You've a hell of a biblical name, Jake."
  1927, Ernest Hemingway, chapter III, in The Sun Also Rises
noun
plural Jacobs
1. A breed of multihorned sheep.