from The American Heritage® Dictionary of the English Language, 5th Edition.

  • preposition From one side to the other of; across.
  • preposition Contrary to; against.
  • preposition Nautical Across the course, line, or length of.
  • adverb From side to side; crosswise or transversely.
  • adverb So as to thwart, obstruct, or oppose; perversely.

from The Century Dictionary.

  • Crosswise; from side to side; transversely.
  • In opposition to the proper or expected course; in a manner to cross and perplex; crossly; wrongly; wrongfully.
  • Across; from side to side of.
  • Nautical, across the line of a ship's course.
  • In opposition to; against; contrary to.

from the GNU version of the Collaborative International Dictionary of English.

  • preposition Across; from side to side of.
  • preposition (Naut.) Across the direction or course of.
  • preposition across the stem of another vessel, whether in contact or at a small distance.
  • preposition across the ship from side to side, or in that direction; -- opposed to fore and aft.
  • adverb Across, especially in an oblique direction; sidewise; obliquely.
  • adverb Across the course; so as to thwart; perversely.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adverb archaic From side to side; across.
  • adverb archaic Across the path (of something).
  • preposition archaic From one side to the other side of.
  • preposition nautical Across the line of a ship's course or across its deck.
  • preposition archaic Across the path or course of; opposing.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adverb at right angles to the center line of a ship
  • adverb at an oblique angle


from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English : a-, on; see a– + thwert, across; see thwart.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From a- + thwart.


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