A / ăbăcŭlus
noun hapax

ăbăcŭlus

gen. ăbăcŭli · gender masculine · decl. 2nd
dim. abacus
a small cube or tile of colored glass for making ornamental pavements
a small cube or tile of colored glass for making ornamental pavements, the Gr. ὺβυκίσκος, Plin. 36, 26, 67, § 199.