Swinging Weight in a Clock
This page is the CodyCross answer for the clue below from Campsite Adventures, Group 833, Puzzle 4 (Skipping Stones).
Question is: Swinging Weight in a Clock
and the answer is: PENDULUM
Word Meaning:
PENDULUM — (clocks, mechanics) A body suspended from a fixed support so that it swings freely back and forth under the influence of gravity, commonly used to regulate various devices such as clocks.
Definitions from Wiktionary.