fingerprint
🇺🇸
/ˈfɪŋɡərprɪnt/
🇬🇧
/ˈfɪŋɡəprɪnt/
The unique pattern of lines on a person's fingertip, used to identify them.
Police found a fingerprint on the door that helped solve the case.
To record someone's fingerprint patterns for identification.
The police will fingerprint all suspects to check for matches.