'Plectrum' definitions:

Definition of 'plectrum'

From: WordNet
noun
A small thin device (of metal or plastic or ivory) used to pluck a stringed instrument [syn: pick, plectrum, plectron]

Definition of 'Plectrum'

From: GCIDE
  • Plectrum \Plec"trum\, n.; pl. L. Plectra, E. Plectrums . [L., fr. Gr. ? anything to strike with, fr.? to strike.] A small instrument of ivory, wood, metal, or quill, used in playing upon the lyre and other stringed instruments. [1913 Webster]