noun🔗ShareA small piece of plastic, metal, ivory, etc., for plucking the strings of a guitar, lyre, mandolin, etc."He lost his plectrum and had to use his fingers to play the guitar. "musicutensilmaterialdeviceentertainmentChat with AIVocabulary GamePractice Reading
noun🔗ShareA projection of bone or other stiff tissue, such as the ridges in some insects' stridulatory organs."The grasshopper creates its chirping song by rubbing a leg covered in tiny, stiff plectra against its wing. "biologyanatomyorganisminsectanimalpartChat with AIVocabulary GamePractice Reading