a performance, activity, or event that precedes and sets the stage for the main eventa meeting to discuss seating arrangements that was merely a preliminary to the formal negotiating sessions
a meeting to discuss seating arrangements that was merely a preliminary to the formal negotiating sessions
curtain-raisers, overtures, preambles, preludes, prologues(also prologs), warm-ups
countdowns, run-ups(chiefly British)lead-inskickoffs, starts
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