- a mark or impression of the ventral surface of the last joint of the thumb.
Origin of thumbprint
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for thumbprint
The thumbprint which we puzzled our heads over was a toe-print!Whispering Wires
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.Torchy, Private Sec.
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.
It responded to the individual pattern of his thumbprint, and the bag fell open.
- 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