What does pendulum mean?
A weight suspended from a string or rod so that it swings back and forth, used as a timekeeper or to demonstrate the concept of gravity. A swinging object, especially one that is attached to a fixed point by a string or chain.
Example
"The grandfather clock used a pendulum to keep perfect time."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.