What is "siever"

Usage examples of "siever".

Sievers, now Princesss, whom I saw again at Dresden four years ago with her daughter, an extremely genteel young princess.

Each wore a reddish-pink halo of algal bloom in which fan-tailed sievers of bloated mien held court, arcing and diving like pale prima donnas in a perpetual alien pax de deux.

That led him from the media siever that had compiled the report to central Commonwealth science repositories on Bali and in Mexico City.