[f. BI- pref.2 II + -loquist; cf. ventriloquist.] One who can speak with two different voices.

1

a. 1810.  C. B. Brown (title), Carwin, the Biloquist.

2

1884.  Sat. Rev., 12 July, 54. As a biloquist Mr. Maccabe’s powers are very considerable.

3