[ad. F. archiluth, It. arciliuto: see ARCH- and LUTE.] (See quot.)

1

1727–51.  Chambers, Cycl., Arcileuto, Archilute, a long, and large lute, having its bass strings lengthened after the manner of a theorbo, and each row doubled either with a little octave or a unison. It is used by the Italians for playing a thorough bass.

2

1834.  Penny Cycl., II. 285.

3