abaculi
/ˌæbəˈkjuːlɪ/Definitions
1. noun
a unit of measurement, especially in ancient Rome, equal to one-tenth of a barleycorn
“The ancient Roman text describes the abaculi as a unit of length used to measure land.”
2. noun
a unit of dry measure in ancient Rome, equal to one-tenth of a sextarius
“The merchant used abaculi to measure the dry goods he sold in the market.”