from The Century Dictionary and Cyclopedia
- n. A wrench used in tuning the pianoforte, consisting of a long wooden handle with two hollow metal heads made to fit over the tuning-pins: so called because of its greneral shape.
Sorry, no etymologies found.
Then I made a drawing of a tuning-hammer and had Olie secretly convey it to the Buckhorn blacksmith, who in turn concocted a great steel hollow-headed monstrosity which actually fits over the pins to which the piano wires are strung, even though the aforesaid monstrosity is heavy enough to stun an ox with.
Without luggage and without friends, and with a tuning-hammer!
"I am going to tune the piano," the little girl said; and she took a tuning-hammer out of her knapsack, and began her work in real earnest.