crwth /ˈkruθ/
Crwth n. Mus. See 4th Crowd.
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Crowd, n. An ancient instrument of music with six strings; a kind of violin, being the oldest known stringed instrument played with a bow. [Written also croud, crowth, cruth, and crwth.]
A lackey that . . . can warble upon a crowd a little. --B. Jonson.