What is "nunciates"

Usage examples of "nunciates".

What had been a zig-zag descent, squeezing between rocks thrown up by the rush of water when the Nunciates had escaped, now became a straight climb down a shaft whose bottom was untouched by their torch-beams.

The Nunciates had used the town for their arena, but they'd invented nothing in their war that the Grove had not already nurtured and fed in its heart.