'Collocution' definitions:

Definition of 'Collocution'

From: GCIDE

Collocution \Col`lo*cu"tion\, n. [L. collocutio, fr. colloqui, -locutum, to converse; col- + loqui to speak. See Loquacious.] A speaking or conversing together; conference; mutual discourse. --Bailey. [1913 Webster]