abaculus

[ uh-bak-yuh-luh s ]
/ əˈbæk yə ləs /

noun, plural a·bac·u·li [uh-bak-yuh-lahy] /əˈbæk yəˌlaɪ/.

Origin of abaculus

From New Latin; see origin at abacus, -ule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019