backing hammer


Definition of backing hammer

: a hammer with a broad claw at one end of the head and a flat head at the other end used in shaping the backbones of books

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First Known Use of backing hammer

1818, in the meaning defined above

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The first known use of backing hammer was in 1818

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Cite this Entry

“Backing hammer.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2020.

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