The Collaborative International Dictionary
Archilute
Archlute \Arch"lute\, Archilute \Arch"i*lute\, n. [Cf. F. archiluth, It. arciliuto.] (Mus.) 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.
Wiktionary
archilute
n. (alternative form of archlute English)