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Aback vs Abaci - What's the difference?

aback | abaci |

As nouns the difference between aback and abaci

is that aback is (obsolete) an abacus while abaci is (abacus).

As an adverb aback

is (archaic) towards the back or rear; backwards .

aback

English

Etymology 1

* From (etyl) . * . Compare West Frisian .

Adverb

(-)
  • (archaic) Towards the back or rear; backwards.
  • * (rfdate),
  • Therewith aback she started.
  • (archaic) In the rear; a distance behind.
  • (Knolles)
  • By surprise; startled; dumbfounded.
  • (nautical) Backward against the mast; said of the sails when pressed by the wind from the "wrong" (forward) side, or of a ship when its sails are set that way.
  • By setting the foresail aback and the headsail in the middle one can bring a fore-and-aft rigged sailing boat practically to a halt even in heavy wind.
    (Totten)
    Usage notes
    * (by surprise) Preceded by a form of the word take .

    See also

    *

    Etymology 2

    From abacus.

    Noun

    (en noun)
  • (obsolete) An abacus.
  • (Ben Jonson)

    References

    abaci

    English

    Alternative forms

    * abacuses

    Noun

    (head)
  • (abacus)
  • ----

    abacus

    English

    Noun

    (en-noun)
  • (obsolete) A table or tray strewn with sand, anciently used for drawing, calculating, etc. .
  • A calculating table or frame; an instrument for performing arithmetical calculations by balls sliding on wires, or counters in grooves, the lowest line representing units, the second line, tens, etc.
  • I've heard merchants still use an abacus for adding things up in China.
  • (architecture) The uppermost portion of the capital of a column, immediately under the architrave.
  • A board, tray, or table, divided into perforated compartments, for holding cups, bottles, or the like; a kind of cupboard, buffet, or sideboard.
  • Derived terms

    * abacus harmonicus

    References

    * ----