[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.

1

1616.  Brent, trans. Sarpi’s Counc. Trent (1676), 90. The different opinions of the Collocutors.

2

1668–70.  M. Casaubon, Credulity & Incred., 148 (T.). Licentius, one of the collocutors in that dialogue.

3

1827–59.  Hare, Guesses (ed. 5), 444. He [Cicero] has nothing of the dialectic spirit. His collocutors do not wrestle with one another.

4

1873.  F. Hall, Mod. English, 190, note. My collocutor very positively queried its ever having got into print.

5