the world > movement > motion in specific manner > alternating or reciprocating motion > oscillation > [noun] > swinging or oscillation of suspended body > a single movement of (3)
A single instance of this.
A swinging to and fro; a (double or complete) oscillation; a reciprocating movement, occasionally see-saw. Also figurative and attributive.
a swinging movement like that of a pendulum; also figurative.