• To cry with a full, loud, continued sound. • To bellow, or utter a deep, loud cry, as a lion or other beast. • To cry loudly, as in pain, distress, or anger. • To make a loud, confused sound, as winds, waves, passing vehicles, a crowd of persons when shouting together, or the like. • To be boisterous; to be disorderly. • To laugh out loudly and continuously; as, the hearers roared at his jokes. • To make a loud noise in breathing, as horses having a certain disease. See Roaring, 2. • To cry aloud; to proclaim loudly. • The sound of roaring. • The deep, loud cry of a wild beast; as, the roar of a lion. • The cry of one in pain, distress, anger, or the like. • A loud, continuous, and confused sound; as, the roar of a cannon, of the wind, or the waves; the roar of ocean. • A boisterous outcry or shouting, as in mirth.