interlocutor /ˌin(t)ərˈläkyədər/ I. noun ‹formal› a person who takes part in a dialogue or conversation. II. derivatives interlocution /ˌin(t)ərˌlōˈkyo͞oSH(ə)n / noun – origin early 16th cent.: modern Latin, from Latin interlocut- ‘interrupted (by speech),’ from the verb interloqui, from inter- ‘between’ + loqui ‘speak.’

