aback

  1. Adverb.  (rare) Towards the back or rear; backwards; away.
  2. Adverb.  Behind; in the rear.
  3. Adverb.  (nautical) Backward against the mast; said of the sails when pressed by the wind from the "wrong" (forward) side.
  4. Noun.  (obsolete) An abacus.

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This entry was last updated on RefTopia from its source on 3/20/2012.