A serjeant-at-arms or sergeant-at-arms is an officer appointed by a deliberative body, usually a legislature, to keep order during its meetings. The word "serjeant" is derived from the Latin serviens,
A ceremonial mace (English, 17th century) as carried by the monarch's sergeants-at-arms on state occasions.
French serjeants-at-arms in courtly (left) and military (right) dress (from a 14th-century bas relief, Couvent Sainte-Catherine-du-Val-des-Écoliers, Paris).
Two Serjeants-at-arms of the Royal Household escort the officers carrying the regalia into the Palace of Westminster for the State Opening of Parliament in 2022.
Sixteen Serjeants-at-Arms can be seen mounted on horses ahead of the King's entourage in Hollar's depiction of the Coronation Procession of Charles II.
A ceremonial mace is a highly ornamented staff of metal or wood, carried before a sovereign or other high officials in civic ceremonies by a mace-bearer, intended to represent the official's authority
Serjeant-at-arms
…serviens, which means "servant". In the Middle Ages, the serjeants-at-arms were bodies of armed men retained by the French and English monarchs: the ceremonial maces with which they are associated were originally a type of weapon. Serjeants-at-arms continue to serve a ceremonial role in the Royal Household of the…
Ceremonial mace of the Queensland Parliament, Australia
Ceremonial mace (left hand) depicted on a stela from Nimrud
French ceremonial mace, 18th century
Mace of the City of London