Music. relative rapidity or rate of movement, usually indicated by such terms as adagio, allegro, etc., or by reference to the metronome.
characteristic rate, rhythm, or pattern of work or activity: the tempo of city life.
Chess. the gaining or losing of time and effectiveness relative to one's continued mobility or developing position, especially with respect to the number of moves required to gain an objective: Black gained a tempo.
the speed at which a piece or passage of music is meant to be played, usually indicated by a musical direction (tempo marking) or metronome marking