Plectrum

Where did you put the plectrum?

Do you play with a plectrum?

Once the concert was over, he gave the plectrum he was using to one of his fans, who got excited and started to cry.

For sounds in winter nights, and often in winter days, I heard the forlorn but melodious note of a hooting owl indefinitely far; such a sound as the frozen earth would yield if struck with a suitable plectrum, the very lingua vernacula of Walden Wood, and quite familiar to me at last, though I never saw the bird while it was making it.