Kaiserin

noun2

1. •
   (historical) The wife of a Kaiser.

   • We should have expected the Kaiser to curse them and the weather, not to weep. Weeping? Kaisers and Kaiserins and Count Zeppelins should be made of sterner stuff. — 1917
2. •
   Rosa ‘Kaiserin Auguste Viktoria’, a white hybrid tea rose cultivar.

   • In May I exhibited my Paul Neyrons and Kaiserins with tremendous boastfulness, but they have long since stopped blooming, while these languid mornings find you daintily decked in pink. — 1910