The Collaborative International Dictionary
man-at-arms \man-at-arms\ n.; pl. men-at-arms. A heavily armed and sometimes mounted soldier in medieval times.
Wiktionary
n. A medieval heavily armed mounted member of the cavalry
WordNet
n. a heavily armed and mounted soldier in medieval times
[also: men-at-arms (pl)]
Wikipedia
Man-At-Arms is the primary title of Duncan, a fictional character in the Masters of the Universe franchise. The figure's tag-line is "Heroic Master of Weapons".
Usage examples of "man-at-arms".
Harald served as secretary, valet, or footman as required, and sometimes man-at-arms before Ringwood and Ranter joined the team.
No doubt they appeared a strange sight: a tall, broad-shouldered man outfitted like a common man-at-arms and carrying a swaddled baby on his back but riding a noble gelding whose lines and tackle were fit for a prince, and a woman whose exotic features might make any soldier pause.
Tavarres lieutenant, a massive, balding man-at-arms named Vedro, was on him in an instant, pointing a short-hafted spear at the mans throat.
Costin stood in his stirrups and spouted a lie to the man-at-arms who guarded the gate--a lewd tale, one which the obliging sentry greeted with a snicker.
You can follow, if you will, the further adventures of that man-at-arms, up to that last chapter when he marries the still beautiful queen, and henceforward acts in her name, taking upon himself a power similar to her own.
Royce shouted a warning, and Malcolm Lamont and his man-at-arms, Lochaber, stepped out of the fortress, followed by the women and children.
On that bridge a man-at-arms spoke to thee shameful words, blaspheming the holy name of God.
He was one of the Brackens, a man-at-arms in the service of Lord Jonos.
They did not hear the well-oiled hinges of the shutters covering a window above them, and by the time they heard the contrabasso thrrruuumm of the crossbow, its thick, stubby bolt had torn through the back and the front of a mail hauberk and the thickness of the body between them, then sped on to penetrate yet one more layer of mail and lodge finally in the hipbone of that man-at-arms.
The last time,” I smiled, “was for a man-at-arms who claimed he had been ill-looked by a Were Rider, and so lay with no life in his limbs.
Already there had been a brawl in a Flea Bottom pot-shop that left one Tyrell man-at-arms dead and two of Lord Gargalen's scalded, and an ugly confrontation in the yard when Mace Tyrell's wizened little mother called Ellaria Sand "the serpent's whore.