ATHWART
obliquely, aslant, athwart
(adverb) at an oblique angle; “the sun shone aslant into his face”
athwart
(adverb) at right angles to the center line of a ship
Source: WordNet® 3.1
Etymology
Adverb
athwart (comparative more athwart, superlative most athwart)
(archaic) From side to side; across.
Synonym: overthwart
(archaic) Across the path (of something).
(archaic) Wrongly; perplexingly.
Preposition
athwart
(archaic) From one side to the other side of.
Synonym: overthwart
(nautical) Across the line of a ship's course or across its deck.
Across the path or course of; opposing.
Synonym: opposing
Source: Wiktionary
A*thwart", prep. Etym: [Pref. a- + thwart.]
1. Across; from side to side of.
Athwart the thicket lone. Tennyson.
2. (Naut.)
Definition: Across the direction or course of; as, a fleet standing athwart
our course. 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.
A*thwart", adv.
Definition: 1. Across, especially in an oblique direction; sidewise;
obliquely.
Sometimes athwart, sometimes he strook him straight. Spenser.
2. Across the course; so as to thwart; perversely.
All athwart there came A post from Wales loaden with heavy news.
Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition