ABACIST
Meaning of ABACIST in English
/ab"euh sist/ , n.
a person skilled in using an abacus.
[ 1350-1400; ME abaciste abacista, equiv. to L abac ( us ) ABACUS + -ista -IST ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012