/plek"treuhm/ , n. , pl. plectra /-treuh/ , plectrums .
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.
[ 1620-30; plectrum plêktron ]