fingerprint
noun
1. a print made by an impression of the ridges in the skin of a finger; often used for biometric identification in criminal investigations
Definition categories: communication, mark, print
2. a generic term for any identifying characteristic
- that tax bill had the senator's fingerprints all over it
Definition categories: communication, identification
3. a smudge made by a (dirty) finger
Similar word(s): fingermark
Definition categories: attribute, blot, daub, slur, smear, smirch, smudge, spot