brain-fever bird

noun

: an Indian hawk cuckoo (Cuculus varius) having a loud, shrill, repetitive cry

also : any of several related birds with monotonous cries

Word History

Etymology

from the resemblance of its cry to the words brain fever

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