Pendulum

(n.) A body suspended from a fixed point so as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the movements of clockwork and other machinery.

Thesaurus Entries

Indian file, array, articulation, bank, buzz, catena, catenation, chain, chain reaction, chaining, concatenation, connection, consecution, continuum, course, cycle, descent, drone, endless belt, endless round, file, filiation, gamut, gradation, hum, line, lineage, metronome, monotone, nexus, oscillator, periodicity, plenum, powder train, progression, queue, range, rank, recurrence, reticulation, rocker, rocking chair, rocking stone, rotation, round, routine, row, run, scale, seesaw, sequence, series, shuttle, shuttlecock, single file, spectrum, string, succession, swath, swing, teeter, teeter-totter, teeterboard, teetery-bender, thread, tier, train, vibrator, windrow