plectrum
noun
plec·trum ˈplek-trəm 
plural plectra ˈplek-trə or plectrums
or plectrums : pick entry 3 sense 2c
Example Sentences
Recent Examples on the Web Fleck, whose Flecktones brought bluegrass into the modern era, plays much like a classical guitarist, using the right-hand plectrum technique popularized by Nashville’s Earl Scruggs. 
oregonlive, 28 Jan. 2020 Where Herrington deftly embellished and added new parts to solos originally recorded on Steely Dan albums by such plectrum masters as Larry Carlton and Elliott Randall, O’Connor generally played his parts by the book. San Diego Union-Tribune, 26 Sep. 2019 People tend to get hung up on the technical side of Montgomery's playing: his parallel octaves, his use of the thumb rather than a plectrum. John Corbett, Chicago Reader, 29 Aug. 2017
oregonlive, 28 Jan. 2020 Where Herrington deftly embellished and added new parts to solos originally recorded on Steely Dan albums by such plectrum masters as Larry Carlton and Elliott Randall, O’Connor generally played his parts by the book. San Diego Union-Tribune, 26 Sep. 2019 People tend to get hung up on the technical side of Montgomery's playing: his parallel octaves, his use of the thumb rather than a plectrum. John Corbett, Chicago Reader, 29 Aug. 2017 Word History
Etymology
Latin, from Greek plēktron, from plēssein to strike — more at plaint
First Known Use
1608, in the meaning defined above