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John Hancock

American  
[jon han-kok] / ˈdʒɒn ˈhæn kɒk /

noun

  1. 1737–93, American statesman: first signer of the Declaration of Independence.

  2. Informal. a person's signature.

    Put your John Hancock on this check.


John Hancock British  

noun

  1. Also called: John Henryinformal a person's signature

    put your John Hancock on this form

"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

John Hancock 1 Cultural  
  1. A signature: “Please help us out and put your John Hancock on our petition.” The expression refers to the bold signature that John Hancock wrote on the Declaration of Independence.


Hancock, John 2 Cultural  
  1. A political leader of the eighteenth century. He was president of the Continental Congress when the Declaration of Independence was signed, and was the first to sign it, which he did with a large, flamboyant signature.


John Hancock Idioms  
  1. Also, John Henry. One's signature, as in Just put your John Hancock on the dotted line. This expression alludes to John Hancock's prominent signature on the Declaration of Independence. The variant simply substitutes a common name for “Hancock.” [Mid-1800s]


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A “John Hancock” is a signature.

Etymology

Origin of John Hancock

An Americanism dating back to 1840–50, so called from the boldness and legibility of John Hancock's signature