term:

Fingerprint

fingerprint n

: the impression of a fingertip on any surface
;also
: an ink impression of the lines upon the fingertip taken for the purpose of identification (as during the booking procedure following an arrest) see also dna fingerprinting
fingerprint vt

fin·ger·print·ing n

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.