Definitions
1.NounA 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.
The tendency of a situation to oscillate (between two extremes).
2.NounThe tendency of a situation to oscillate (between two extremes).
3.NounA lamp, etc. suspended from a ceiling.
4.NounA watch's guard-ring by which it is attached to a chain.