1. plural of uncia, an ancient Roman unit of weight equal to one-twelfth of a pound
Usage: historical; Latin

Examples

• The merchant weighed the silver in unciae according to Roman standards.
• Ancient Roman recipes often called for ingredients measured in unciae.
• The archaeologist found coins marked with symbols representing unciae.
• Roman physicians prescribed medicines in doses measured by unciae.
• Trade records from Pompeii list goods sold by unciae and other Roman units.