Abaculus

A·bac'u·lus (ȧb*ăk'u*lŭs) noun ; plural Abaculi (-lī). [ Latin , dim. of abacus .] (Architecture) A small tile of glass, marble, or other substance, of various colors, used in making ornamental patterns in mosaic pavements. Fairholt....
Found on http://www.encyclo.co.uk/webster/A/1

Abaculus

• (n.) A small tile of glass, marble, or other substance, of various colors, used in making ornamental patterns in mosaic pavements.
Found on http://thinkexist.com/dictionary/meaning/abaculus/

abaculus

abaculus A small tile used in mosaics.
Found on http://www.wordinfo.info/words/index/info/view_unit/2220/

Abaculus

In architecture, an abaculus is a small tile of glass, marble, or other substance, of various colours, used in making ornamental patterns in mosaic pavements.
Found on http://www.probertencyclopaedia.com/browse/TA.HTM

abaculus

small tile for mosaic
Found on http://phrontistery.info/a.html
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