Pronunciation: (u-thwôrt'),[key] —adv. 1. from side to side; crosswise.
2. Naut. a. at right angles to the fore-and-aft line; across.
b. broadside to the wind because of equal and opposite pressures of wind and tide: a ship riding athwart. 3. perversely; awry; wrongly.
—prep. 1. from side to side of; across.
2. Naut.across the direction or course of.
3. in opposition to; contrary to.