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abacuses

Variant of abacus

noun pl. abacuses or abaci

  1. a frame with beads or balls that can be slid on wires or in slots, for doing or teaching arithmetic
  2. Archit. a slab forming the uppermost part of the capital of a column

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.

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