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English to English adverb
| 1 |
having the wind against the forward side of the sails |  | Example: the ship came up into the wind with all yards aback
source: wordnet30
| 2 |
by surprise |  | Example: taken aback by the caustic remarks
source: wordnet30
| 3 |
Toward the back or rear; backward. |  | source: webster1913 noun
| 4 |
An abacus. |  | source: webster1913
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