Abaculus

//əˈbæk.jə.ləs// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A small tile of glass, marble, or other substance, of various colors, used in making ornamental patterns in mosaic pavements; abaciscus. archaic

Etymology

From Latin abaculus, diminutive of abacus.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.