Dicionário

Abaculus

Webster's Dictionary 1913

‖A‐bac″u‐lus (ȧb‐ăk″ū̍‐lŭs), n.; pl.Abaculi (–lī). [L., dim. of abacus.] (Arch.) A small tile of glass, marble, or other substance, of various colors, used in making ornamental patterns in mosaic pavements. Fairholt.