prep. [ Pref. a- + thwart. ] 1. Across; from side to side of. [ 1913 Webster ]

Athwart the thicket lone. Tennyson. [ 1913 Webster ]

2. (Naut.) Across the direction or course of; as, a fleet standing athwart our course. [ 1913 Webster ]

Athwart hawse, across the stem of another vessel, whether in contact or at a small distance. --
Athwart ships, across the ship from side to side, or in that direction; -- opposed to fore and aft. [ 1913 Webster ]

adv. 1. Across, especially in an oblique direction; sidewise; obliquely. [ 1913 Webster ]

Sometimes athwart, sometimes he strook him straight. Spenser. [ 1913 Webster ]

2. Across the course; so as to thwart; perversely. [ 1913 Webster ]

All athwart there came
A post from Wales loaden with heavy news. Shak. [ 1913 Webster ]