‖Un″ci‐a (?), n.; pl.Unciæ (#). [L. See Ounce a measure of weight.] 1. (Rom. Antiq.) A twelfth part, as of the Roman as; an ounce.
2. (Alg.) A numerical coefficient in any particular case of the binomial theorem.
Webster's Dictionary 1913
‖Un″ci‐a (?), n.; pl.Unciæ (#). [L. See Ounce a measure of weight.] 1. (Rom. Antiq.) A twelfth part, as of the Roman as; an ounce.
2. (Alg.) A numerical coefficient in any particular case of the binomial theorem.