A conversation or dialogue. / (obsolete) A formal conference. / (Christianity) A church court held by certain Reformed denominations. / A written discourse.

A colloquial word or phrase, colloquialism

(linguistics) Characteristic of familiar conversation, of common parlance; informal. / Of or pertaining to a conversation; conversational or chatty.

A colloquial word or phrase; a common spoken expression. / Colloquial style of speaking.

(intransitive, rare) To converse.

plural of colloquialism

The state or quality of being colloquial.

The process or result of making colloquial.

plural of colloquialization

plural of colloquial