Noun
a heavily armed and mounted soldier in medieval times
Source: WordNetHis helmet now shall make a hive for bees, And lovers' songs be turned to holy psalms; A man-at-arms must now serve on his knees, And feed on prayers, which are old age's alms. George Peele
Although any medieval knight going to war would automatically serve as a man-at-arms, not all men-at-arms were knights. Source: Internet
Each man-at-arms could be expected to have a page, who would have ridden one of his spare horses. Source: Internet
On her right, Donizo is presenting her with a copy of the Vita Mathildis, on her left is a man with a sword (possibly her man-at-arms). Source: Internet
"On the second day in Easter week, he was slain in the city by a man-at-arms in the service of Brandin", a rival mercenary captain. Source: Internet
Procopius recounts that every time his shield was filled with arrows, he received another from his man-at-arms. Source: Internet