tuning hammer

noun

variants or tuning wrench

: a hammer-shaped wrench used in tuning pianos and made with heads hollowed to fit over the tuning pegs

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