countable a conversation about something, usually something importantPreliminary discussions between the two leaders are now underway.
discussion about/on: an interesting discussion on Internet censorship
discussion with: Discussions with management have broken down.
have a discussion: We need to have a discussion about your school work.
hold discussions (=organize or have formal discussions): Parents and teachers will be holding discussions next month.
discussions take place: Discussions about the peace plan took place in Washington last week.