fin·ger·pick 
(fĭnggər-pĭk′)
(fĭnggər-pĭk′)v. fin·ger·picked, fin·ger·pick·ing, fin·ger·picks
v.intr.
To play a stringed instrument, such as the guitar or banjo, by plucking individual strings with the fingers.
v.tr.
To play (a stringed instrument) by plucking individual strings with the fingers.
n. or finger pick
A pointed, slightly curved plectrum worn on the fingertip, used in playing a stringed instrument such as the guitar or banjo.
finger·pick′er n.