slender blue flag

noun

: either of two irises:

a

: a dwarf iris (Iris verna)

b

: an eastern North American iris (Iris prismatica) with stout ropy stolons and an acutely angled seed pod

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now