buffalo bean

noun

variants or buffalo apple

1

[so called from its location in buffalo country] : ground plum

2

: any of certain African climbing legumes (genus Stizolobium) having a velvety seed pod and hairs which cause intolerable itching when they come in contact with the skin

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