| the latitudes, approximately 30° N and S, forming the edges of the trade-wind belt, characterized by high atmospheric pressure with calms and light variable winds. |
| horse latitudes pl.n. Either of two belts of latitudes located over the oceans at about 30° to 35° north and south, having high barometric pressure, calms, and light, changeable winds. [Possibly from Spanish golfo de las yeguas, mares' sea.] |