cutter bar

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noun

Also called sickle bar. (in a mower, binder, or combine) a bar with triangular guards along which a knife or blade runs.
a bar holding the cutting tool in a boring machine or lathe.

Origin of cutter bar

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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