Definitions of Jacob
  1. noun
    (Old Testament) son of Isaac; brother of Esau; father of the twelve patriarchs of Israel; Jacob wrestled with God and forced God to bless him, so God gave Jacob the new name of Israel (meaning `one who has been strong against God')
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    type of:
    any of the early biblical characters regarded as fathers of the human race
  2. noun
    French biochemist who (with Jacques Monod) studied regulatory processes in cells (born in 1920)
    synonyms: Francois Jacob
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    example of:
    someone with special training in biochemistry
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