What is "armigers"

Usage examples of "armigers".

Demesne on Blacktop, but Mavin thought it unlikely anyone would nest there save Armigers, perhaps, or other Gamesmen who flew.

Before this gate, however, was no casual assembly of guardsmen but an armed line of Armigers, shoulder to shoulder, naked swords gleaming in their hands, a line of lounging Sorcerers behind them, blazing with power in that silent place.