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.