Thumbprint

Pronunciation: /ˈθəmˈpɹɪnt/

Thumbprint (noun)

  1. A mark made by the pattern on a person’s thumb, used to identify someone.
  2. A thumb mark on a document showing a person agrees or has signed, especially when they cannot write.

Examples

  • The thumbprint showed who touched the door.
  • A thumbprint can help identify a suspect.