1. (

• fingerprint ,

) a print made by an impression of the ridges in the skin of a finger; often used for biometric identification in criminal investigations ;

2. (

• fingerprint

) a generic term for any identifying characteristic; "that tax bill had the senator's fingerprints all over it" ;

3. (

• fingermark ,
• fingerprint

) a smudge made by a (dirty) finger ;

1. (

• fingerprint

) take an impression of a person's fingerprints ;