From Longman Dictionary of Contemporary Englishplectrumplec‧trum /ˈplektrəm/ noun [countable] especially British English APMa small thin piece of plastic, metal, or wood that you use for playing some musical instruments with strings, such as a guitar SYN pick
Examples from the Corpus
plectrum• No one seemed to want to serve me so I walked out and went home without so much as a plectrum!• I don't use a plectrum.• There are also chapters on promotional picks, and plectrums customized and specially designed for thumb and finger.• We see his urgency edge lower, the plectrum peck ... Tropical humours!Origin plectrum (1600-1700) Latin Greek plektron, from plessein “to hit” 