big leg

noun

: an acute lymphangitis of equines usually affecting the hind legs, accompanied by severe pain and high fever, and commonly the result of overfeeding though sometimes due to local infection

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