What is "macers"

Usage examples of "macers".

The junior clerks, usher, macers and witnesses filled the rest of the room: they were going toneed some air soon.

Still moving forward, confronted by javelins that tore through their ranks, stumbling over their impaled companions, the human pikemen and macers were taken completely off guard as a thousand or more dwarves hit their advance, cutting them down right and left.