[a. late L. collocūtor, agent-n. f. colloqui (see prec.).] One who talks with another or others; one who takes part in a dialogue or conversation.
1616. Brent, trans. Sarpis Counc. Trent (1676), 90. The different opinions of the Collocutors.
166870. M. Casaubon, Credulity & Incred., 148 (T.). Licentius, one of the collocutors in that dialogue.
182759. Hare, Guesses (ed. 5), 444. He [Cicero] has nothing of the dialectic spirit. His collocutors do not wrestle with one another.
1873. F. Hall, Mod. English, 190, note. My collocutor very positively queried its ever having got into print.