Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

rockshaft

play
noun rock·shaft \ˈräk-ˌshaft\

Definition of rockshaft

  1. :  a shaft that oscillates on its journals instead of revolving



Circa 1864

First Known Use of rockshaft

circa 1864


Seen and Heard

What made you want to look up rockshaft? Please tell us where you read or heard it (including the quote, if possible).