[vi.brate] vb vi.brat.ed ; vi.brat.ing [L vibratus, pp. of vibrare to brandish, wave, rock--more at wipe] vt (1616) 1: to swing or move to and fro
2: to emit with or as if with a vibratory motion
3: to mark or measure by oscillation "a pendulum vibrating seconds"
4: to set in vibration ~ vi 1 a: to move to and fro or from side to side: oscillate b: fluctuate, vacillate "~ between two choices"
2: to have an effect as or as if of vibration "music, when soft voices die, ~s in the memory --P. B. Shelley"
3: to be in a state of vibration: quiver
4: to respond sympathetically: thrill "~ to the opportunity" syn see swing