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Jacob

[jey-kuhb, zha-kawb]

noun

  1. (in the Bible) the second son of Isaac, the twin brother of Esau, and father of the 12 patriarchs.

  2. François 1920–2013, French geneticist: Nobel Prize in Medicine 1965.

  3. a male given name: from a Hebrew word meaning “supplanter.”



Jacob

/ ˈdʒeɪkəb /

noun

  1. Old Testament the son of Isaac, twin brother of Esau, and father of the twelve patriarchs of Israel

  2. Also called: Jacob sheepany of an ancient breed of sheep having a fleece with dark brown patches and two or four horns

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Jacob

  1. French geneticist who studied how genes control cellular activity by directing the synthesis of proteins. With Jacques Monod, he theorized that there are genes that regulate the activity of other, neighboring genes. They also proposed the existence of messenger RNA.

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Word History and Origins

Origin of Jacob1

sense 2 in allusion to Genesis 30:40
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Cornerback Jacob Whitehead made a couple plays in the second half to disrupt the Eagles’ passing attack.

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“Things are ‘Better Now’ that Jacob Daniel Rodriguez, 45, of Santa Ana, has been arrested for burglary.”

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“It was the innocence in Jacob’s portrayal that kept getting me,” says makeup artist and prosthetics designer Mike Hill.

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The filmmaker was drawn to one trait in particular: “The eyes of Jacob were incredibly soulful and incredibly profound, and he had a purity and a certain innocence,” Del Toro says.

Raf calls Jacob, who has been separated from the gang and is chatting up a girl in a pub, and urges him to come join a brawl that threatens.

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JacmelJacob and Esau