thumbprint
noun
thumb·print ˈthəm-ˌprint 
1
: an impression made by the thumb
especially : a print made by the inside of the first joint
2
: something that identifies
especially : fingerprint sense 2a
Example Sentences
He left a dirty thumbprint on the page.
Recent Examples on the Web The statement accessory this season is a silver ring that’s a cross between a signet and a thumbprint. 
Laia Garcia-furtado, Vogue, 9 Sep. 2022 The Great Wave depicts three boats grappling with enormous waves in the shadow of Mount Fuji shows how the ocean has often been able to fend off humanity’s ever-expanding thumbprint. Sverre Alvik, Forbes, 7 June 2022 Shipping in France and around the world, Fauré Le Page’s new embroidred canvas and leather creations create seduction and intrigue, a signature thumbprint that the House has been able to carry out since the height of Europe’s oldest courts. Allyson Portee, Forbes, 15 Apr. 2021 The argument is that personally identifying technology is already accepted by most people for far less violent tools, from a thumbprint to unlock a phone to an RFID system for a keyless car start. Steven Zeitchik, Washington Post, 27 May 2022 Hudson’s thumbprint was later found on the car’s rear view mirror, the document states. Zaz Hollander, Anchorage Daily News, 4 May 2022 Latifa signs for her family’s quota of flour and oil with a purple-ink thumbprint. Scott Peterson, The Christian Science Monitor, 25 Jan. 2022 Secondly, many password managers use additional biometric security measures like a thumbprint and/or facial recognition. Chris Nicoli, Forbes, 20 Jan. 2022 Presented in a travel pouch made of sustainable material and sold in a wooden box, the set is meant to celebrate the moments in time when a real signature, not a digital thumbprint, marks an important occasion, a memory to last forever. Roberta Naas, Forbes, 8 Oct. 2021 See More
Laia Garcia-furtado, Vogue, 9 Sep. 2022 The Great Wave depicts three boats grappling with enormous waves in the shadow of Mount Fuji shows how the ocean has often been able to fend off humanity’s ever-expanding thumbprint. Sverre Alvik, Forbes, 7 June 2022 Shipping in France and around the world, Fauré Le Page’s new embroidred canvas and leather creations create seduction and intrigue, a signature thumbprint that the House has been able to carry out since the height of Europe’s oldest courts. Allyson Portee, Forbes, 15 Apr. 2021 The argument is that personally identifying technology is already accepted by most people for far less violent tools, from a thumbprint to unlock a phone to an RFID system for a keyless car start. Steven Zeitchik, Washington Post, 27 May 2022 Hudson’s thumbprint was later found on the car’s rear view mirror, the document states. Zaz Hollander, Anchorage Daily News, 4 May 2022 Latifa signs for her family’s quota of flour and oil with a purple-ink thumbprint. Scott Peterson, The Christian Science Monitor, 25 Jan. 2022 Secondly, many password managers use additional biometric security measures like a thumbprint and/or facial recognition. Chris Nicoli, Forbes, 20 Jan. 2022 Presented in a travel pouch made of sustainable material and sold in a wooden box, the set is meant to celebrate the moments in time when a real signature, not a digital thumbprint, marks an important occasion, a memory to last forever. Roberta Naas, Forbes, 8 Oct. 2021 See More Word History
First Known Use
1900, in the meaning defined at sense 1