rein orchis

noun

ˈrān-

: any of several orchids of Habenaria or a related genus usually with a kidney-shaped lip to the flower

Word History

Etymology

rein probably back-formation from reins; from the kidney-shaped lip in some species

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