alieniloquium

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

ălĭēnĭlŏquĭum, ii, n. [alienus-loqui],

the talk of crazy persons , Varr. Sent. Mor. p. 28 Devit.; cf.: aliena loqui s. v. alienus, B.