The Collaborative International Dictionary
Unciae
Uncia \Un"ci*a\, n.; pl. Unci[ae]. [L. See Ounce a measure of weight.]
(Rom. Antiq.) A twelfth part, as of the Roman as; an ounce.
(Alg.) A numerical coefficient in any particular case of the binomial theorem. [Obs.]
Wiktionary
unciae
n. (plural of uncia English)
Usage examples of "unciae".
He had a pouch half full of copper coins, mostly unciae, or one-twelfth of an as, the as being a pound of copper divided into twelve "ounces" (the first coins Romans had minted, according to Agnes).