1. vinegar, especially vinegar used in cooking or as a condiment
Usage: Latin origin; used in culinary and historical contexts; archaic or formal in modern English
2. a sour liquid or solution; an acidic substance
Usage: technical or historical usage

Examples

• The recipe called for acetum to add a sharp tang to the sauce.
• Roman soldiers drank acetum mixed with water as a refreshing beverage.
• The chef drizzled acetum over the salad for extra flavor.
• In medieval times, acetum was used as a preservative for foods.
• The laboratory prepared an acetum solution for the experiment.