Pronunciation: (plek'trum), [key]
—pl. -traPronunciation: (-tru), [key] -trums.
1. a small piece of plastic, metal, ivory, etc., for plucking the strings of a guitar, lyre, mandolin, etc.
2. Anat., Zool.an anatomical part resembling a plectrum in shape.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.