rockshaft
noun Date: circa 1864 a shaft that oscillates on its journals instead of revolving

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • rockshaft — [räk′shaft΄, räk′shäft΄] n. a machine shaft designed to rock back and forth on its journals rather than to revolve …   English World dictionary

  • rockshaft — /rok shaft , shahft /, n. Mach. an oscillating shaft. [1870 75; ROCK2 + SHAFT] * * * …   Universalium

  • rockshaft — /ˈrɒkʃaft/ (say rokshahft) noun a shaft that rocks or oscillates on its journals instead of revolving, as the shaft of a bell or a pendulum, or a shaft operating the valves of a steam engine. {rock1 + shaft} …   Australian English dictionary

  • rockshaft — I. ˈ ̷ ̷ˌ ̷ ̷ noun Etymology: rock (I) + shaft : a shaft that oscillates on its journals instead of revolving and that usually carries levers or projecting pieces (as arms, wipers, or tumblers) to receive and communicate reciprocating motion II.… …   Useful english dictionary

  • rockercam — rocker cam n. A cam on a rockshaft. * * * …   Universalium

  • rocker arm — n. an armlike piece attached to a rockshaft, as in automotive engines …   English World dictionary

  • rocker cam — noun : a cam (as on a rockshaft) with a rocking or reciprocating movement …   Useful english dictionary

  • rocker shaft — noun : rockshaft …   Useful english dictionary

  • rocking shaft — noun : rockshaft …   Useful english dictionary

  • weighbar — ˈ ̷ ̷ˌ ̷ ̷ noun or weighbar shaft Etymology: weigh (I) + bar Britain : rockshaft; especially : one in a radial gear …   Useful english dictionary

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