Definition of plectrum noun from the Oxford Advanced Learner's Dictionary

 

plectrum

 noun
noun
BrE BrE//ˈplektrəm//
 
; NAmE NAmE//ˈplektrəm//
 
(pl. plectrums, plectra
BrE BrE//ˈplektrə//
 
; NAmE NAmE//ˈplektrə//
 
)
(informal pick) Musical instruments
 
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a small piece of metal, plastic, etc. used for plucking the strings of a guitar or similar instrument See related entries: Musical instruments Word Origin late Middle English: via Latin from Greek plēktron ‘something with which to strike’, from plēssein ‘to strike’.
See the Oxford Advanced American Dictionary entry: plectrum