<p><strong>Noun</strong></p><ul><li>Any of numerous succulent plants of the family Cactaceae, of warm, arid regions of the New World, having fleshy, leafless, usually spiny stems, and typically having solitary, showy flowers.</li><li>Plural: <strong>tempos</strong>, <strong>tempi</strong>.</li><li>Relative rapidity or rate of movement, usually indicated by such terms as adagio, allegro, etc., or by reference to the metronome.</li><li>Characteristic rate, rhythm, or pattern of work or activity: the tempo of city life.</li><li>In 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.</li></ul>