<p><strong>Verb:</strong></p><ul><li>(used without object) (of a horse) to go at a gait between a walk and a run, in which the legs move in diagonal pairs, but not quite simultaneously, so that when the movement is slow, one foot at least is always on the ground, and when fast, all four feet are momentarily off the ground at once.</li><li>to go at a quick, steady pace; move briskly; bustle; hurry.</li></ul><p><strong>Noun:</strong></p><ul><li>the gait of a horse, dog, or other quadruped when trotting.</li><li>the sound made by an animal when trotting.</li><li>the jogging gait of a human being, between a walk and a run.</li><li>a race for trotters.</li><li>brisk, continuous movement or activity: "I've been on the trot all afternoon."</li><li>(informal) diarrhea.</li><li>(informal) a toddling child.</li></ul><p><strong>Verb Phrase (informal):</strong></p><ul><li>to bring forward for inspection.</li><li>to bring to the attention of; introduce; submit: "He trots out his old jokes at every party."</li></ul>