Webster dictionary was developed by Noah Webster in the beginning of 19th century. On this website, you can find definition for Rock shaft from the 1913 edition of Webster's Revised Unabridged Dictionary. Define Rock shaft using one of the most comprehensive free online dictionaries on the web.

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Rock shaft
Part of Speech: noun
Results: 1
1. A shaft that oscillates on its journals, instead of revolving, - usually carrying levers by means of which it receives and communicates reciprocating motion, as in the valve gear of some steam engines; - called also rocker, rocking shaft, and way shaft.
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