1. An official who carries a mace and maintains order in a court, parliament, or other formal assembly.
Usage: chiefly British; formal
2. A person who uses a mace as a weapon.
Usage: historical; rare

Examples

• The macer led the procession into the chamber, carrying the ceremonial mace.
• In medieval times, a macer was an armed guard who protected nobility.
• The parliamentary macer announced the arrival of the Speaker.
• The macer's role is to enforce decorum and manage the flow of official proceedings.
• Historically, a macer might have been a soldier equipped with a mace in battle.