What is the meaning of Fingerprint?

The natural pattern of ridges on the tips of human fingers, unique to each individual.

The pattern left on a surface where an uncovered fingertip has touched, especially as used to identify the person who touched the surface.

A unique combination of features that serves as an identification of something.

A unique identification for a public key in asymmetric cryptography.

A trace that gives evidence of someone's involvement.

To take somebody's fingerprints.

To identify something uniquely by a combination of measurements.

Source: wiktionary.org