noun. A large bass lute, double-necked like the theorbo and chitarrone, and differing from them in the arrangement of the longer strings. Also written archilute.

noun. A large theorbo, or double-necked lute, formerly in use, having the bass strings doubled with an octave, and the higher strings with a unison.

noun. A stringed musical instrument rather like a large lute

"Pandolfo and Thomas Boysen, on theorbo or archlute and baroque guitar, approached each piece with improvisatorial freedom."

archilute