The-ôr'bo, n.

n. [Fr. théorbe, téorbe, tuorbe, Sp. te-orba, tiorba, It. tiorba.] (Mus.) A musical instrument made like a large lute, but with two heads, to each of which some of the strings were attached. ☞ It was also called the archlute, and was used chiefly, if not only, as an accompaniment to the voice. It has long fallen into disuse.