from The Century Dictionary.

  • noun In architecture, a diminutive of abacus in its various senses. Also called abaculus.

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

  • noun (Arch.) One of the tiles or squares of a tessellated pavement; an abaculus.


from Wiktionary, Creative Commons Attribution/Share-Alike License

From New Latin, from Ancient Greek ἀβακίσκος (abakiskos, "a coloured stone for laying mosaic"), diminutive of ἄβαξ (abaks, "board"). See abacus.


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