'Iris Pseudacorus' definitions:

Definition of 'Iris pseudacorus'

From: WordNet
noun
Common yellow-flowered iris of Europe and North Africa, naturalized in United States and often cultivated [syn: yellow iris, yellow flag, yellow water flag, Iris pseudacorus]

Definition of 'Iris Pseudacorus'

From: GCIDE
  • Water flag \Wa"ter flag`\ (Bot.) A European species of Iris (Iris Pseudacorus) having bright yellow flowers. [1913 Webster]