<p><strong>Noun</strong></p><ul><li>(Theater) A lighting unit for spotlighting the front of the stage, producing illumination by means of a flame of mixed gases directed at a cylinder of lime and having a special lens for concentrating the light in a strong beam.</li><li>The light produced by such an emission.</li><li>Chiefly British, a lighting unit, especially a spotlight.</li><li>The center of public attention, interest, observation, or notoriety: He seems fond of the limelight.</li></ul>