Available Definitions:
1) n. - A loud, deep, prolonged sound, as of a large beast, or of a person in distress, anger, mirth, etc., or of a noisy congregation.
2) n. - An affection of the windpipe of a horse, causing a loud, peculiar noise in breathing under exertion; the making of the noise so caused. See Roar , v. i., 5.
3) v. i. - To cry loudly, as in pain, distress, or anger.
4) v. i. - To make a loud, confused sound, as winds, waves, passing vehicles, a crowd of persons when shouting together, or the like.
5) v. i. - To be boisterous; to be disorderly.
6) v. i. - To laugh out loudly and continuously; as, the hearers roared at his jokes.
7) v. i. - To make a loud noise in breathing, as horses having a certain disease. See Roaring , 2.
8) v. t. - To cry aloud; to proclaim loudly.
9) n. - The sound of roaring.
10) n. - The deep, loud cry of a wild beast; as, the roar of a lion.
11) n. - The cry of one in pain, distress, anger, or the like.
12) n. - A loud, continuous, and confused sound; as, the roar of a cannon, of the wind, or the waves; the roar of ocean.
13) n. - A boisterous outcry or shouting, as in mirth.