fever bark

noun

: any bark used in the treatment of fevers: such as

a

: cinchona bark

b

: bark of the bitterbark (Alstonia constricta)

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