ratchet wheel
Americannoun
Etymology
Origin of ratchet wheel
First recorded in 1770–80
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
On the pendulum he had a little ratchet wheel, R, having thirty teeth.
From Scientific American Supplement, No. 664, September 22,1888 by Various
The first impulse sent out is a long impulse and pulls up both armatures, thereby causing the pawls above and below the small ratchet wheel, shown in Fig.
From Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. by McMeen, Samuel
A tool to hold a drill, having a reversible ratchet wheel.
From Practical Mechanics for Boys by Zerbe, James Slough
A lever is used to operate the pinion, being inserted in a hub fast upon the same spindle that carries the pinion and the ratchet wheel.
From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua
People say the initiative and the referendum, against which I have talked, are like a ratchet wheel.
From Ethics in Service by Taft, William H.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
