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thumbprint

[thuhm-print]
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noun
  1. a mark or impression of the ventral surface of the last joint of the thumb.

Origin of thumbprint

First recorded in 1895–1900; thumb + print
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for thumbprint

Historical Examples

  • The thumbprint which we puzzled our heads over was a toe-print!

    Whispering Wires

    Henry Leverage

  • He's got a serious mind, Izzy has, and if you could take a thumbprint of his brain, it would be all fractions and dollar signs.

  • Kindly include your full name, as well as your daughter's, and place your thumbprint on the opposite side of the disk.

    Null-ABC

    Henry Beam Piper and John Joseph McGuire

  • He ran a red-tinted, celluloid rectangle through a stamping machine and Hunter pressed his thumbprint upon the signature square.

    The Cartels Jungle

    Irving E. Cox, Jr.

  • It responded to the individual pattern of his thumbprint, and the bag fell open.

    The Cartels Jungle

    Irving E. Cox, Jr.


British Dictionary definitions for thumbprint

thumbprint

noun
  1. an impression of the upper part of the thumb, used esp for identification purposesSee fingerprint
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