rock shaft

English - English

Definition of rock shaft in English English dictionary

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

Related Terms

A rock shaft

way shaft

Turkish pronunciation

räk şäft

Pronunciation

/ˈräk ˈsʜaft/ /ˈrɑːk ˈʃæft/

Etymology

[ 'räk ] (verb.) 12th century. Middle English rokken, from Old English roccian; akin to Old High German rucken to cause to move.