countershaft

Noun

coun=ter=shaft

CIDE DICTIONARY

countershaft, n.

An intermediate shaft; esp., one which receives motion from a line shaft in a factory and transmits it to a machine. [1913 Webster]

countershaft, n.
1 an intermediate shaft driven by a main shaft and transmitting motion to a particular machine etc.
2 US = LAYSHAFT.

For further exploring for "countershaft" in Webster Dictionary Online

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