uncia

Meanings

1. The Roman ounce, 1/12 of a Roman pound.
2. The Roman inch, 1/12 of a Roman foot.
3. A bronze coin minted by the Roman Republic, 1/12 of an as.
4. A Roman unit of land area, 1/12 of a jugerum.
5. Synonym of ounce, the English and American avoirdupois unit of mass.
6. Synonym of twelfth.
7. A numerical coefficient in a binomial.

Etymology

From Latin uncia (“various Roman units”). Doublet of ounce, inch, onça, onza, oka, ouguiya, and awqiyyah.