noun
or gus·le or gous·le also guz·la ˈgü]slə, ˈgu̇], ]zlə\
( -s )
Etymology: Serbo-Croatian gusle; akin to Bulgarian gŭsla gusla, Russian gusli gusli, Old Slavic gǫsli psaltery, Russian gudet' to sound, drone, Lithuanian gausti — more at kite
: a rudimentary musical instrument of the Balkans made with a round concave body, parchment sounding board, and one horsehair string and held between the knees and played with a curved bow