collocutio

conlocūtiō (coll-) ōnis, f

conloquor, a conversation, conference, talk : hominum: familiarissimae cum alquo.

collocutio
collŏcūtĭo (conl-), ōnis, f. [colloquor], a ( familiar or private ) conversation , conference...

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