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thumbprint

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noun thumb·print \ˈthəm-ˌprint\

Simple Definition of thumbprint

  • : the pattern of marks made by pressing your thumb on a surface : a fingerprint made by a thumb

Source: Merriam-Webster's Learner's Dictionary

Full Definition of thumbprint

  1. 1 :  an impression made by the thumb; especially :  a print made by the inside of the first joint

  2. 2 :  something that identifies; especially :  fingerprint 2a

Examples of thumbprint in a sentence

  1. He left a dirty thumbprint on the page.



1900

First Known Use of thumbprint

1900


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