• WordNet 3.6
    • n serjeant-at-arms an officer (as of a legislature or court) who maintains order and executes commands
    • ***
Webster's Revised Unabridged Dictionary
    • Serjeant-at-arms See Sergeant-at-arms, under Sergeant.
    • ***
Chambers's Twentieth Century Dictionary
    • Serjeant-at-arms an officer who attends upon the Lord Chancellor with the mace, and who executes various writs of process in the course of a Chancery suit: a similar officer who attends on each House of Parliament, and arrests any person ordered by the House to be arrested
    • ***


Chambers's Twentieth Century Dictionary
Fr. sergent—L. serviens, -entis, pr.p. of servīre, to serve.


In literature:

Belhaven made his escape to his own country, and was there beyond the reach of the Serjeant-at-Arms.
"The History of England from the Accession of James II." by Thomas Babington Macaulay
In June of that year, a new Parliament was called, whereunto I was unwillingly invited by two messengers of the Serjeant at Arms.
"William Lilly's History of His Life and Times" by William Lilly
The Serjeant-at-Arms had no doubt made all out of his captive that the Commons would let him.
"Life of John Milton" by Richard Garnett
She managed to outride the serjeant-at-arms, and to warn him of his danger.
"The Wits and Beaux of Society" by Grace Wharton and Philip Wharton
Even when he has finished they sometimes have to be removed by the Serjeant-at-Arms with a chisel.
"Punch, or the London Charivari, Volume 159, November 10, 1920" by Various
A serjeant at arms, in the king's name, demanded of the house the five members: and was sent back without any positive answer.
"The History of England in Three Volumes, Vol.I., Part E. From Charles I. to Cromwell" by David Hume
He then brought actions against the speaker and the serjeant-at-arms, but the courts upheld the action of the House.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4" by Various
Message delivered, SPEAKER, escorted by SERJEANT-AT-ARMS carrying Mace, marches off.
"Punch, or the London Charivari, Vol. 146, February 18, 1914" by Various
The Serjeant-at-Arms of the House of Representatives.
"Diary in America, Series One" by Frederick Marryat (AKA Captain Marryat)
The serjeant-at-arms failed to find them, and was jeered at by their workmen.
"The Political History of England - Vol. X." by William Hunt