1. a store that sells food and supplies, especially on a military base or in an institution
Usage: military; institutional
2. a person authorized to act for another; a deputy or representative
Usage: formal
3. a government official in charge of supplies for an army
Usage: military; historical

Examples

• The soldiers bought snacks at the base commissary.
• Military families can shop at the commissary for discounted groceries.
• The prison commissary sells basic necessities to inmates.
• He served as commissary for the expedition, managing all supplies.
• The commissary was responsible for feeding the entire regiment.
• She worked as a commissary representative for the film production company.