finger
noun
°One of the long extremities of the hand. Sometimes excludes the thumb.
"Human hands have 5 fingers: the thumb, the forefinger (or index finger), the middle finger, the ring finger and the little finger."
°A piece of food resembling such an extremity.
"chocolate fingers"
verb
°To identify or point out. Ex.: put the finger on To report to or identify for the authorities, rat on, rat out, squeal on, tattle on, turn in, to finger.
°To poke, probe, or fondle with a finger.